clerk · wobsoriano · Apr 3, 2026 · Apr 3, 2026 · Apr 3, 2026 · Apr 3, 2026
diff --git a/.changeset/eight-paws-exercise.md b/.changeset/eight-paws-exercise.md
@@ -0,0 +1,2 @@
+---
+---
diff --git a/eslint.config.mjs b/eslint.config.mjs
@@ -2,7 +2,6 @@ import eslint from '@eslint/js';
 import configPrettier from 'eslint-config-prettier';
 import configTurbo from 'eslint-config-turbo/flat';
 import pluginImport from 'eslint-plugin-import';
-import pluginJest from 'eslint-plugin-jest';
 import pluginJsDoc from 'eslint-plugin-jsdoc';
 import pluginJsxA11y from 'eslint-plugin-jsx-a11y';
 import pluginPlaywright from 'eslint-plugin-playwright';
@@ -497,16 +496,12 @@ export default tseslint.config([
  name: 'repo/test',
  files: TEST_FILES,
  languageOptions: {
- globals: pluginJest.environments.globals.globals,
- },
- plugins: {
- jest: pluginJest,
+ globals: globals.vitest,
  },
  rules: {
  '@typescript-eslint/await-thenable': 'off',
  '@typescript-eslint/no-non-null-assertion': 'off',
  '@typescript-eslint/unbound-method': 'off',
- 'jest/unbound-method': 'error',
  },
  },
  {
@@ -546,7 +541,6 @@ export default tseslint.config([
  name: 'packages - vitest',
  files: ['packages/*/src/**/*.test.{ts,tsx}'],
  rules: {
- 'jest/unbound-method': 'off',
  '@typescript-eslint/unbound-method': 'off',
  },
  },

diff --git a/integration/templates/expo-web/package.json b/integration/templates/expo-web/package.json
@@ -9,9 +9,6 @@
  "lint": "expo lint",
  "start": "pnpm dlx serve dist --single"
  },
- "jest": {
- "preset": "jest-expo"
- },
  "dependencies": {
  "@expo/vector-icons": "^14.0.2",
  "@react-navigation/native": "^6.0.2",
@@ -37,11 +34,8 @@
  "devDependencies": {
  "@babel/core": "^7.20.0",
  "@babel/runtime": "7.26.0",
- "@types/jest": "^29.5.12",
  "@types/react": "18.3.12",
  "@types/react-test-renderer": "^18.0.7",
- "jest": "^29.2.1",
- "jest-expo": "~51.0.3",
  "react-test-renderer": "18.2.0",
  "typescript": "~5.7.3"
  }

diff --git a/integration/templates/react-cra/package.json b/integration/templates/react-cra/package.json
@@ -5,8 +5,7 @@
  "scripts": {
  "build": "react-scripts build",
  "eject": "react-scripts eject",
- "start": "BROWSER=none react-scripts start",
- "test": "react-scripts test"
+ "start": "BROWSER=none react-scripts start"
  },
  "browserslist": {
  "production": [
@@ -22,8 +21,7 @@
  },
  "eslintConfig": {
  "extends": [
- "react-app",
- "react-app/jest"
+ "react-app"
  ]
  },
  "dependencies": {

diff --git a/jest.setup-after-env.ts b/jest.setup-after-env.ts
diff --git a/package.json b/package.json
@@ -79,19 +79,16 @@
  "@clerk/testing": "workspace:*",
  "@commitlint/cli": "^19.8.0",
  "@commitlint/config-conventional": "^19.8.0",
- "@emotion/jest": "^11.13.0",
  "@eslint/eslintrc": "^3.3.1",
  "@eslint/js": "9.31.0",
  "@faker-js/faker": "^9.9.0",
- "@jest/globals": "29.7.0",
  "@octokit/rest": "^20.1.2",
  "@playwright/test": "^1.56.1",
  "@testing-library/dom": "^10.1.0",
  "@testing-library/jest-dom": "^6.4.6",
  "@testing-library/react": "^16.0.0",
  "@testing-library/user-event": "^14.5.2",
  "@types/cross-spawn": "^6.0.6",
- "@types/jest": "^29.3.1",
  "@types/node": "^22.18.12",
  "@types/react": "catalog:react",
  "@types/react-dom": "catalog:react",
@@ -108,7 +105,6 @@
  "eslint-config-turbo": "2.5.5",
  "eslint-import-resolver-typescript": "3.10.1",
  "eslint-plugin-import": "2.32.0",
- "eslint-plugin-jest": "28.14.0",
  "eslint-plugin-jsdoc": "50.8.0",
  "eslint-plugin-jsx-a11y": "6.10.2",
  "eslint-plugin-playwright": "2.2.0",
@@ -126,9 +122,6 @@
  "http-proxy": "^1.18.1",
  "http-server": "^14.1.1",
  "husky": "^8.0.3",
- "jest": "^29.7.0",
- "jest-chrome": "^0.8.0",
- "jest-environment-jsdom": "^29.3.1",
  "json5": "2.2.3",
  "jsonwebtoken": "9.0.2",
  "lint-staged": "^14.0.1",
@@ -145,7 +138,6 @@
  "statuses": "^1.5.0",
  "tinyglobby": "^0.2.15",
  "tree-kill": "^1.2.2",
- "ts-jest": "29.2.5",
  "tsdown": "catalog:repo",
  "tsup": "catalog:repo",
  "turbo": "^2.5.4",
@@ -169,8 +161,6 @@
  "msw"
  ],
  "overrides": {
- "jest": "29.7.0",
- "jest-snapshot-prettier": "npm:prettier@^3.5.3",
  "react": "catalog:react",
  "react-dom": "catalog:react",
  "rolldown": "catalog:repo"

diff --git a/packages/backend/src/tokens/__tests__/getAuth.test-d.ts b/packages/backend/src/tokens/__tests__/getAuth.test-d.ts
@@ -1,4 +1,4 @@
-import { expectTypeOf, test } from 'vitest';
+import { describe, expectTypeOf, test } from 'vitest';
 
 import type { RedirectFun } from '../../createRedirect';
 import type { AuthObject, InvalidTokenAuthObject } from '../authObjects';

diff --git a/packages/chrome-extension/package.json b/packages/chrome-extension/package.json
@@ -95,7 +95,8 @@
  "devDependencies": {
  "@types/chrome": "^0.1.12",
  "@types/webextension-polyfill": "^0.12.3",
- "type-fest": "^4.41.0"
+ "type-fest": "^4.41.0",
+ "vitest-chrome": "^0.1.0"
  },
  "peerDependencies": {
  "react": "catalog:peer-react",

diff --git a/packages/chrome-extension/src/internal/utils/__tests__/cookies.test.ts b/packages/chrome-extension/src/internal/utils/__tests__/cookies.test.ts
@@ -41,7 +41,7 @@ describe('Cookies', () => {
 
  getMock.mockResolvedValue(cookie);
 
- expect(await getClientCookie({ callback: jest.fn(), name, url })).toBe(cookie);
+ expect(await getClientCookie({ callback: vi.fn(), name, url })).toBe(cookie);
 
  expectMockCalls(getMock, name, [url]);
  });

diff --git a/packages/chrome-extension/vitest.config.mts b/packages/chrome-extension/vitest.config.mts
@@ -5,6 +5,11 @@ const { name, version } = JSON.parse(readFileSync('./package.json', 'utf8'));
 
 export default defineConfig({
  plugins: [],
+ resolve: {
+ alias: {
+ 'vitest-chrome': 'vitest-chrome/lib/index.esm.js',
+ },
+ },
  define: {
  PACKAGE_NAME: JSON.stringify(name),
  PACKAGE_VERSION: JSON.stringify(version),

diff --git a/packages/chrome-extension/vitest.setup.mts b/packages/chrome-extension/vitest.setup.mts
@@ -1,9 +1,7 @@
-import { vi } from 'vitest';
-// `jest-chrome` directly references the `jest` global
-(globalThis as any).jest = vi;
+import * as vitestChrome from 'vitest-chrome';
 
-import { chrome } from 'jest-chrome';
+const { chrome } = vitestChrome;
 
 // @ts-expect-error - required for the browser polyfill
 chrome.runtime.id = 'chrome-extension-test';
-Object.assign(global, { chrome, browser: chrome });
+Object.assign(globalThis, vitestChrome, { browser: chrome });
diff --git a/packages/clerk-js/vitest.setup.mts b/packages/clerk-js/vitest.setup.mts
@@ -50,7 +50,7 @@ beforeAll(() => {
  return ogToLocaleDateString.call(this, 'en-US', args[1]); // Pass options if provided
  };
 
- // --- Setup from jest.jsdom-with-timezone.ts ---
+ // Keep locale and timezone deterministic across test environments.
  // Set a default timezone (e.g., UTC) for consistency
  process.env.TZ = 'UTC';
 });
@@ -60,7 +60,7 @@ afterAll(() => {
  Date.prototype.toLocaleDateString = ogToLocaleDateString;
 });
 
-// --- Setup from package jest.setup.ts ---
+// Shared DOM and runtime setup for component tests.
 
 // Mock Response class if not already defined by jsdom/happy-dom
 class FakeResponse {}
@@ -285,7 +285,7 @@ vi.mock('browser-tabs-lock', () => {
  };
 });
 
-// Mock jest-chrome if its functionality is needed
+// Mock browser extension APIs when a test needs them.
 // Example: Mocking chrome.runtime.sendMessage
 // global.chrome = {
 // runtime: {

diff --git a/packages/dev-cli/jsconfig.json b/packages/dev-cli/jsconfig.json
@@ -16,7 +16,6 @@
  "strict": true,
  "target": "ES2020",
  "outDir": "dist",
- "types": ["jest"],
  "checkJs": true
  },
  "exclude": ["node_modules"],

diff --git a/packages/express/tsconfig.json b/packages/express/tsconfig.json
@@ -15,8 +15,7 @@
  "sourceMap": false,
  "strict": true,
  "target": "ES2020",
- "outDir": "dist",
- "types": ["jest"]
+ "outDir": "dist"
  },
  "exclude": ["node_modules"],
  "include": ["src"]

diff --git a/packages/nuxt/src/runtime/server/__tests__/clerkClient.test.ts b/packages/nuxt/src/runtime/server/__tests__/clerkClient.test.ts
@@ -1,4 +1,4 @@
-import { vi } from 'vitest';
+import { beforeEach, describe, expect, it, vi } from 'vitest';
 
 // These globals are normally injected at build time by tsup.
 (globalThis as any).PACKAGE_NAME = '@clerk/nuxt';

diff --git a/packages/nuxt/src/runtime/server/__tests__/clerkMiddleware.test.ts b/packages/nuxt/src/runtime/server/__tests__/clerkMiddleware.test.ts
@@ -1,5 +1,5 @@
 import { createApp, eventHandler, setResponseHeader, toWebHandler } from 'h3';
-import { vi } from 'vitest';
+import { describe, expect, test, vi } from 'vitest';
 
 import { clerkMiddleware } from '../clerkMiddleware';
 

diff --git a/playground/cra-js/package.json b/playground/cra-js/package.json
@@ -6,9 +6,6 @@
  "@clerk/react": "workspace:*",
  "@clerk/shared": "workspace:*",
  "@clerk/types": "workspace:*",
- "@testing-library/jest-dom": "^5.16.5",
- "@testing-library/react": "^13.4.0",
- "@testing-library/user-event": "^13.5.0",
  "react": "^18.2.0",
  "react-dom": "^18.2.0",
  "react-scripts": "5.0.1",
@@ -17,13 +14,11 @@
  "scripts": {
  "start": "react-scripts start",
  "build": "react-scripts build",
- "test": "react-scripts test",
  "eject": "react-scripts eject"
  },
  "eslintConfig": {
  "extends": [
- "react-app",
- "react-app/jest"
+ "react-app"
  ]
  },
  "browserslist": {

diff --git a/playground/cra-js/src/App.test.js b/playground/cra-js/src/App.test.js
diff --git a/playground/cra-js/src/setupTests.js b/playground/cra-js/src/setupTests.js
diff --git a/.changeset/eight-paws-exercise.md b/.changeset/eight-paws-exercise.md
@@ -0,0 +1,2 @@
+---
+---
diff --git a/eslint.config.mjs b/eslint.config.mjs
@@ -2,7 +2,6 @@ import eslint from '@eslint/js';
 import configPrettier from 'eslint-config-prettier';
 import configTurbo from 'eslint-config-turbo/flat';
 import pluginImport from 'eslint-plugin-import';
-import pluginJest from 'eslint-plugin-jest';
 import pluginJsDoc from 'eslint-plugin-jsdoc';
 import pluginJsxA11y from 'eslint-plugin-jsx-a11y';
 import pluginPlaywright from 'eslint-plugin-playwright';
@@ -497,16 +496,12 @@ export default tseslint.config([
  name: 'repo/test',
  files: TEST_FILES,
  languageOptions: {
- globals: pluginJest.environments.globals.globals,
- },
- plugins: {
- jest: pluginJest,
+ globals: globals.vitest,
  },
  rules: {
  '@typescript-eslint/await-thenable': 'off',
  '@typescript-eslint/no-non-null-assertion': 'off',
  '@typescript-eslint/unbound-method': 'off',
- 'jest/unbound-method': 'error',
  },
  },
  {
@@ -546,7 +541,6 @@ export default tseslint.config([
  name: 'packages - vitest',
  files: ['packages/*/src/**/*.test.{ts,tsx}'],
  rules: {
- 'jest/unbound-method': 'off',
  '@typescript-eslint/unbound-method': 'off',
  },
  },

diff --git a/integration/templates/expo-web/package.json b/integration/templates/expo-web/package.json
@@ -9,9 +9,6 @@
  "lint": "expo lint",
  "start": "pnpm dlx serve dist --single"
  },
- "jest": {
- "preset": "jest-expo"
- },
  "dependencies": {
  "@expo/vector-icons": "^14.0.2",
  "@react-navigation/native": "^6.0.2",
@@ -37,11 +34,8 @@
  "devDependencies": {
  "@babel/core": "^7.20.0",
  "@babel/runtime": "7.26.0",
- "@types/jest": "^29.5.12",
  "@types/react": "18.3.12",
  "@types/react-test-renderer": "^18.0.7",
- "jest": "^29.2.1",
- "jest-expo": "~51.0.3",
  "react-test-renderer": "18.2.0",
  "typescript": "~5.7.3"
  }

diff --git a/integration/templates/react-cra/package.json b/integration/templates/react-cra/package.json
@@ -5,8 +5,7 @@
  "scripts": {
  "build": "react-scripts build",
  "eject": "react-scripts eject",
- "start": "BROWSER=none react-scripts start",
- "test": "react-scripts test"
+ "start": "BROWSER=none react-scripts start"
  },
  "browserslist": {
  "production": [
@@ -22,8 +21,7 @@
  },
  "eslintConfig": {
  "extends": [
- "react-app",
- "react-app/jest"
+ "react-app"
  ]
  },
  "dependencies": {

diff --git a/jest.setup-after-env.ts b/jest.setup-after-env.ts
diff --git a/package.json b/package.json
@@ -79,19 +79,16 @@
  "@clerk/testing": "workspace:*",
  "@commitlint/cli": "^19.8.0",
  "@commitlint/config-conventional": "^19.8.0",
- "@emotion/jest": "^11.13.0",
  "@eslint/eslintrc": "^3.3.1",
  "@eslint/js": "9.31.0",
  "@faker-js/faker": "^9.9.0",
- "@jest/globals": "29.7.0",
  "@octokit/rest": "^20.1.2",
  "@playwright/test": "^1.56.1",
  "@testing-library/dom": "^10.1.0",
  "@testing-library/jest-dom": "^6.4.6",
  "@testing-library/react": "^16.0.0",
  "@testing-library/user-event": "^14.5.2",
  "@types/cross-spawn": "^6.0.6",
- "@types/jest": "^29.3.1",
  "@types/node": "^22.18.12",
  "@types/react": "catalog:react",
  "@types/react-dom": "catalog:react",
@@ -108,7 +105,6 @@
  "eslint-config-turbo": "2.5.5",
  "eslint-import-resolver-typescript": "3.10.1",
  "eslint-plugin-import": "2.32.0",
- "eslint-plugin-jest": "28.14.0",
  "eslint-plugin-jsdoc": "50.8.0",
  "eslint-plugin-jsx-a11y": "6.10.2",
  "eslint-plugin-playwright": "2.2.0",
@@ -126,9 +122,6 @@
  "http-proxy": "^1.18.1",
  "http-server": "^14.1.1",
  "husky": "^8.0.3",
- "jest": "^29.7.0",
- "jest-chrome": "^0.8.0",
- "jest-environment-jsdom": "^29.3.1",
  "json5": "2.2.3",
  "jsonwebtoken": "9.0.2",
  "lint-staged": "^14.0.1",
@@ -145,7 +138,6 @@
  "statuses": "^1.5.0",
  "tinyglobby": "^0.2.15",
  "tree-kill": "^1.2.2",
- "ts-jest": "29.2.5",
  "tsdown": "catalog:repo",
  "tsup": "catalog:repo",
  "turbo": "^2.5.4",
@@ -169,8 +161,6 @@
  "msw"
  ],
  "overrides": {
- "jest": "29.7.0",
- "jest-snapshot-prettier": "npm:prettier@^3.5.3",
  "react": "catalog:react",
  "react-dom": "catalog:react",
  "rolldown": "catalog:repo"

diff --git a/packages/backend/src/tokens/__tests__/getAuth.test-d.ts b/packages/backend/src/tokens/__tests__/getAuth.test-d.ts
@@ -1,4 +1,4 @@
-import { expectTypeOf, test } from 'vitest';
+import { describe, expectTypeOf, test } from 'vitest';
 
 import type { RedirectFun } from '../../createRedirect';
 import type { AuthObject, InvalidTokenAuthObject } from '../authObjects';

diff --git a/packages/chrome-extension/package.json b/packages/chrome-extension/package.json
@@ -95,7 +95,8 @@
  "devDependencies": {
  "@types/chrome": "^0.1.12",
  "@types/webextension-polyfill": "^0.12.3",
- "type-fest": "^4.41.0"
+ "type-fest": "^4.41.0",
+ "vitest-chrome": "^0.1.0"
  },
  "peerDependencies": {
  "react": "catalog:peer-react",

diff --git a/packages/chrome-extension/src/internal/utils/__tests__/cookies.test.ts b/packages/chrome-extension/src/internal/utils/__tests__/cookies.test.ts
@@ -41,7 +41,7 @@ describe('Cookies', () => {
 
  getMock.mockResolvedValue(cookie);
 
- expect(await getClientCookie({ callback: jest.fn(), name, url })).toBe(cookie);
+ expect(await getClientCookie({ callback: vi.fn(), name, url })).toBe(cookie);
 
  expectMockCalls(getMock, name, [url]);
  });

diff --git a/packages/chrome-extension/vitest.config.mts b/packages/chrome-extension/vitest.config.mts
@@ -5,6 +5,11 @@ const { name, version } = JSON.parse(readFileSync('./package.json', 'utf8'));
 
 export default defineConfig({
  plugins: [],
+ resolve: {
+ alias: {
+ 'vitest-chrome': 'vitest-chrome/lib/index.esm.js',
+ },
+ },
  define: {
  PACKAGE_NAME: JSON.stringify(name),
  PACKAGE_VERSION: JSON.stringify(version),

diff --git a/packages/chrome-extension/vitest.setup.mts b/packages/chrome-extension/vitest.setup.mts
@@ -1,9 +1,7 @@
-import { vi } from 'vitest';
-// `jest-chrome` directly references the `jest` global
-(globalThis as any).jest = vi;
+import * as vitestChrome from 'vitest-chrome';
 
-import { chrome } from 'jest-chrome';
+const { chrome } = vitestChrome;
 
 // @ts-expect-error - required for the browser polyfill
 chrome.runtime.id = 'chrome-extension-test';
-Object.assign(global, { chrome, browser: chrome });
+Object.assign(globalThis, vitestChrome, { browser: chrome });
diff --git a/packages/clerk-js/vitest.setup.mts b/packages/clerk-js/vitest.setup.mts
@@ -50,7 +50,7 @@ beforeAll(() => {
  return ogToLocaleDateString.call(this, 'en-US', args[1]); // Pass options if provided
  };
 
- // --- Setup from jest.jsdom-with-timezone.ts ---
+ // Keep locale and timezone deterministic across test environments.
  // Set a default timezone (e.g., UTC) for consistency
  process.env.TZ = 'UTC';
 });
@@ -60,7 +60,7 @@ afterAll(() => {
  Date.prototype.toLocaleDateString = ogToLocaleDateString;
 });
 
-// --- Setup from package jest.setup.ts ---
+// Shared DOM and runtime setup for component tests.
 
 // Mock Response class if not already defined by jsdom/happy-dom
 class FakeResponse {}
@@ -285,7 +285,7 @@ vi.mock('browser-tabs-lock', () => {
  };
 });
 
-// Mock jest-chrome if its functionality is needed
+// Mock browser extension APIs when a test needs them.
 // Example: Mocking chrome.runtime.sendMessage
 // global.chrome = {
 // runtime: {

diff --git a/packages/dev-cli/jsconfig.json b/packages/dev-cli/jsconfig.json
@@ -16,7 +16,6 @@
  "strict": true,
  "target": "ES2020",
  "outDir": "dist",
- "types": ["jest"],
  "checkJs": true
  },
  "exclude": ["node_modules"],

diff --git a/packages/express/tsconfig.json b/packages/express/tsconfig.json
@@ -15,8 +15,7 @@
  "sourceMap": false,
  "strict": true,
  "target": "ES2020",
- "outDir": "dist",
- "types": ["jest"]
+ "outDir": "dist"
  },
  "exclude": ["node_modules"],
  "include": ["src"]

diff --git a/packages/nuxt/src/runtime/server/__tests__/clerkClient.test.ts b/packages/nuxt/src/runtime/server/__tests__/clerkClient.test.ts
@@ -1,4 +1,4 @@
-import { vi } from 'vitest';
+import { beforeEach, describe, expect, it, vi } from 'vitest';
 
 // These globals are normally injected at build time by tsup.
 (globalThis as any).PACKAGE_NAME = '@clerk/nuxt';

diff --git a/packages/nuxt/src/runtime/server/__tests__/clerkMiddleware.test.ts b/packages/nuxt/src/runtime/server/__tests__/clerkMiddleware.test.ts
@@ -1,5 +1,5 @@
 import { createApp, eventHandler, setResponseHeader, toWebHandler } from 'h3';
-import { vi } from 'vitest';
+import { describe, expect, test, vi } from 'vitest';
 
 import { clerkMiddleware } from '../clerkMiddleware';
 

diff --git a/playground/cra-js/package.json b/playground/cra-js/package.json
@@ -6,9 +6,6 @@
  "@clerk/react": "workspace:*",
  "@clerk/shared": "workspace:*",
  "@clerk/types": "workspace:*",
- "@testing-library/jest-dom": "^5.16.5",
- "@testing-library/react": "^13.4.0",
- "@testing-library/user-event": "^13.5.0",
  "react": "^18.2.0",
  "react-dom": "^18.2.0",
  "react-scripts": "5.0.1",
@@ -17,13 +14,11 @@
  "scripts": {
  "start": "react-scripts start",
  "build": "react-scripts build",
- "test": "react-scripts test",
  "eject": "react-scripts eject"
  },
  "eslintConfig": {
  "extends": [
- "react-app",
- "react-app/jest"
+ "react-app"
  ]
  },
  "browserslist": {

diff --git a/playground/cra-js/src/App.test.js b/playground/cra-js/src/App.test.js
diff --git a/playground/cra-js/src/setupTests.js b/playground/cra-js/src/setupTests.js
diff --git a/.changeset/eight-paws-exercise.md b/.changeset/eight-paws-exercise.md
@@ -0,0 +1,2 @@
+---
+---
diff --git a/eslint.config.mjs b/eslint.config.mjs
@@ -2,7 +2,6 @@ import eslint from '@eslint/js';
 import configPrettier from 'eslint-config-prettier';
 import configTurbo from 'eslint-config-turbo/flat';
 import pluginImport from 'eslint-plugin-import';
-import pluginJest from 'eslint-plugin-jest';
 import pluginJsDoc from 'eslint-plugin-jsdoc';
 import pluginJsxA11y from 'eslint-plugin-jsx-a11y';
 import pluginPlaywright from 'eslint-plugin-playwright';
@@ -497,16 +496,12 @@ export default tseslint.config([
  name: 'repo/test',
  files: TEST_FILES,
  languageOptions: {
- globals: pluginJest.environments.globals.globals,
- },
- plugins: {
- jest: pluginJest,
+ globals: globals.vitest,
  },
  rules: {
  '@typescript-eslint/await-thenable': 'off',
  '@typescript-eslint/no-non-null-assertion': 'off',
  '@typescript-eslint/unbound-method': 'off',
- 'jest/unbound-method': 'error',
  },
  },
  {
@@ -546,7 +541,6 @@ export default tseslint.config([
  name: 'packages - vitest',
  files: ['packages/*/src/**/*.test.{ts,tsx}'],
  rules: {
- 'jest/unbound-method': 'off',
  '@typescript-eslint/unbound-method': 'off',
  },
  },

diff --git a/integration/templates/expo-web/package.json b/integration/templates/expo-web/package.json
@@ -9,9 +9,6 @@
  "lint": "expo lint",
  "start": "pnpm dlx serve dist --single"
  },
- "jest": {
- "preset": "jest-expo"
- },
  "dependencies": {
  "@expo/vector-icons": "^14.0.2",
  "@react-navigation/native": "^6.0.2",
@@ -37,11 +34,8 @@
  "devDependencies": {
  "@babel/core": "^7.20.0",
  "@babel/runtime": "7.26.0",
- "@types/jest": "^29.5.12",
  "@types/react": "18.3.12",
  "@types/react-test-renderer": "^18.0.7",
- "jest": "^29.2.1",
- "jest-expo": "~51.0.3",
  "react-test-renderer": "18.2.0",
  "typescript": "~5.7.3"
  }

diff --git a/integration/templates/react-cra/package.json b/integration/templates/react-cra/package.json
@@ -5,8 +5,7 @@
  "scripts": {
  "build": "react-scripts build",
  "eject": "react-scripts eject",
- "start": "BROWSER=none react-scripts start",
- "test": "react-scripts test"
+ "start": "BROWSER=none react-scripts start"
  },
  "browserslist": {
  "production": [
@@ -22,8 +21,7 @@
  },
  "eslintConfig": {
  "extends": [
- "react-app",
- "react-app/jest"
+ "react-app"
  ]
  },
  "dependencies": {

diff --git a/jest.setup-after-env.ts b/jest.setup-after-env.ts
diff --git a/package.json b/package.json
@@ -79,19 +79,16 @@
  "@clerk/testing": "workspace:*",
  "@commitlint/cli": "^19.8.0",
  "@commitlint/config-conventional": "^19.8.0",
- "@emotion/jest": "^11.13.0",
  "@eslint/eslintrc": "^3.3.1",
  "@eslint/js": "9.31.0",
  "@faker-js/faker": "^9.9.0",
- "@jest/globals": "29.7.0",
  "@octokit/rest": "^20.1.2",
  "@playwright/test": "^1.56.1",
  "@testing-library/dom": "^10.1.0",
  "@testing-library/jest-dom": "^6.4.6",
  "@testing-library/react": "^16.0.0",
  "@testing-library/user-event": "^14.5.2",
  "@types/cross-spawn": "^6.0.6",
- "@types/jest": "^29.3.1",
  "@types/node": "^22.18.12",
  "@types/react": "catalog:react",
  "@types/react-dom": "catalog:react",
@@ -108,7 +105,6 @@
  "eslint-config-turbo": "2.5.5",
  "eslint-import-resolver-typescript": "3.10.1",
  "eslint-plugin-import": "2.32.0",
- "eslint-plugin-jest": "28.14.0",
  "eslint-plugin-jsdoc": "50.8.0",
  "eslint-plugin-jsx-a11y": "6.10.2",
  "eslint-plugin-playwright": "2.2.0",
@@ -126,9 +122,6 @@
  "http-proxy": "^1.18.1",
  "http-server": "^14.1.1",
  "husky": "^8.0.3",
- "jest": "^29.7.0",
- "jest-chrome": "^0.8.0",
- "jest-environment-jsdom": "^29.3.1",
  "json5": "2.2.3",
  "jsonwebtoken": "9.0.2",
  "lint-staged": "^14.0.1",
@@ -145,7 +138,6 @@
  "statuses": "^1.5.0",
  "tinyglobby": "^0.2.15",
  "tree-kill": "^1.2.2",
- "ts-jest": "29.2.5",
  "tsdown": "catalog:repo",
  "tsup": "catalog:repo",
  "turbo": "^2.5.4",
@@ -169,8 +161,6 @@
  "msw"
  ],
  "overrides": {
- "jest": "29.7.0",
- "jest-snapshot-prettier": "npm:prettier@^3.5.3",
  "react": "catalog:react",
  "react-dom": "catalog:react",
  "rolldown": "catalog:repo"

diff --git a/packages/backend/src/tokens/__tests__/getAuth.test-d.ts b/packages/backend/src/tokens/__tests__/getAuth.test-d.ts
@@ -1,4 +1,4 @@
-import { expectTypeOf, test } from 'vitest';
+import { describe, expectTypeOf, test } from 'vitest';
 
 import type { RedirectFun } from '../../createRedirect';
 import type { AuthObject, InvalidTokenAuthObject } from '../authObjects';

diff --git a/packages/chrome-extension/package.json b/packages/chrome-extension/package.json
@@ -95,7 +95,8 @@
  "devDependencies": {
  "@types/chrome": "^0.1.12",
  "@types/webextension-polyfill": "^0.12.3",
- "type-fest": "^4.41.0"
+ "type-fest": "^4.41.0",
+ "vitest-chrome": "^0.1.0"
  },
  "peerDependencies": {
  "react": "catalog:peer-react",

diff --git a/packages/chrome-extension/src/internal/utils/__tests__/cookies.test.ts b/packages/chrome-extension/src/internal/utils/__tests__/cookies.test.ts
@@ -41,7 +41,7 @@ describe('Cookies', () => {
 
  getMock.mockResolvedValue(cookie);
 
- expect(await getClientCookie({ callback: jest.fn(), name, url })).toBe(cookie);
+ expect(await getClientCookie({ callback: vi.fn(), name, url })).toBe(cookie);
 
  expectMockCalls(getMock, name, [url]);
  });

diff --git a/packages/chrome-extension/vitest.config.mts b/packages/chrome-extension/vitest.config.mts
@@ -5,6 +5,11 @@ const { name, version } = JSON.parse(readFileSync('./package.json', 'utf8'));
 
 export default defineConfig({
  plugins: [],
+ resolve: {
+ alias: {
+ 'vitest-chrome': 'vitest-chrome/lib/index.esm.js',
+ },
+ },
  define: {
  PACKAGE_NAME: JSON.stringify(name),
  PACKAGE_VERSION: JSON.stringify(version),

diff --git a/packages/chrome-extension/vitest.setup.mts b/packages/chrome-extension/vitest.setup.mts
@@ -1,9 +1,7 @@
-import { vi } from 'vitest';
-// `jest-chrome` directly references the `jest` global
-(globalThis as any).jest = vi;
+import * as vitestChrome from 'vitest-chrome';
 
-import { chrome } from 'jest-chrome';
+const { chrome } = vitestChrome;
 
 // @ts-expect-error - required for the browser polyfill
 chrome.runtime.id = 'chrome-extension-test';
-Object.assign(global, { chrome, browser: chrome });
+Object.assign(globalThis, vitestChrome, { browser: chrome });
diff --git a/packages/clerk-js/vitest.setup.mts b/packages/clerk-js/vitest.setup.mts
@@ -50,7 +50,7 @@ beforeAll(() => {
  return ogToLocaleDateString.call(this, 'en-US', args[1]); // Pass options if provided
  };
 
- // --- Setup from jest.jsdom-with-timezone.ts ---
+ // Keep locale and timezone deterministic across test environments.
  // Set a default timezone (e.g., UTC) for consistency
  process.env.TZ = 'UTC';
 });
@@ -60,7 +60,7 @@ afterAll(() => {
  Date.prototype.toLocaleDateString = ogToLocaleDateString;
 });
 
-// --- Setup from package jest.setup.ts ---
+// Shared DOM and runtime setup for component tests.
 
 // Mock Response class if not already defined by jsdom/happy-dom
 class FakeResponse {}
@@ -285,7 +285,7 @@ vi.mock('browser-tabs-lock', () => {
  };
 });
 
-// Mock jest-chrome if its functionality is needed
+// Mock browser extension APIs when a test needs them.
 // Example: Mocking chrome.runtime.sendMessage
 // global.chrome = {
 // runtime: {

diff --git a/packages/dev-cli/jsconfig.json b/packages/dev-cli/jsconfig.json
@@ -16,7 +16,6 @@
  "strict": true,
  "target": "ES2020",
  "outDir": "dist",
- "types": ["jest"],
  "checkJs": true
  },
  "exclude": ["node_modules"],

diff --git a/packages/express/tsconfig.json b/packages/express/tsconfig.json
@@ -15,8 +15,7 @@
  "sourceMap": false,
  "strict": true,
  "target": "ES2020",
- "outDir": "dist",
- "types": ["jest"]
+ "outDir": "dist"
  },
  "exclude": ["node_modules"],
  "include": ["src"]

diff --git a/packages/nuxt/src/runtime/server/__tests__/clerkClient.test.ts b/packages/nuxt/src/runtime/server/__tests__/clerkClient.test.ts
@@ -1,4 +1,4 @@
-import { vi } from 'vitest';
+import { beforeEach, describe, expect, it, vi } from 'vitest';
 
 // These globals are normally injected at build time by tsup.
 (globalThis as any).PACKAGE_NAME = '@clerk/nuxt';

diff --git a/packages/nuxt/src/runtime/server/__tests__/clerkMiddleware.test.ts b/packages/nuxt/src/runtime/server/__tests__/clerkMiddleware.test.ts
@@ -1,5 +1,5 @@
 import { createApp, eventHandler, setResponseHeader, toWebHandler } from 'h3';
-import { vi } from 'vitest';
+import { describe, expect, test, vi } from 'vitest';
 
 import { clerkMiddleware } from '../clerkMiddleware';
 

diff --git a/playground/cra-js/package.json b/playground/cra-js/package.json
@@ -6,9 +6,6 @@
  "@clerk/react": "workspace:*",
  "@clerk/shared": "workspace:*",
  "@clerk/types": "workspace:*",
- "@testing-library/jest-dom": "^5.16.5",
- "@testing-library/react": "^13.4.0",
- "@testing-library/user-event": "^13.5.0",
  "react": "^18.2.0",
  "react-dom": "^18.2.0",
  "react-scripts": "5.0.1",
@@ -17,13 +14,11 @@
  "scripts": {
  "start": "react-scripts start",
  "build": "react-scripts build",
- "test": "react-scripts test",
  "eject": "react-scripts eject"
  },
  "eslintConfig": {
  "extends": [
- "react-app",
- "react-app/jest"
+ "react-app"
  ]
  },
  "browserslist": {

diff --git a/playground/cra-js/src/App.test.js b/playground/cra-js/src/App.test.js
diff --git a/playground/cra-js/src/setupTests.js b/playground/cra-js/src/setupTests.js
diff --git a/.changeset/eight-paws-exercise.md b/.changeset/eight-paws-exercise.md
@@ -0,0 +1,2 @@
+---
+---
diff --git a/eslint.config.mjs b/eslint.config.mjs
@@ -2,7 +2,6 @@ import eslint from '@eslint/js';
 import configPrettier from 'eslint-config-prettier';
 import configTurbo from 'eslint-config-turbo/flat';
 import pluginImport from 'eslint-plugin-import';
-import pluginJest from 'eslint-plugin-jest';
 import pluginJsDoc from 'eslint-plugin-jsdoc';
 import pluginJsxA11y from 'eslint-plugin-jsx-a11y';
 import pluginPlaywright from 'eslint-plugin-playwright';
@@ -497,16 +496,12 @@ export default tseslint.config([
  name: 'repo/test',
  files: TEST_FILES,
  languageOptions: {
- globals: pluginJest.environments.globals.globals,
- },
- plugins: {
- jest: pluginJest,
+ globals: globals.vitest,
  },
  rules: {
  '@typescript-eslint/await-thenable': 'off',
  '@typescript-eslint/no-non-null-assertion': 'off',
  '@typescript-eslint/unbound-method': 'off',
- 'jest/unbound-method': 'error',
  },
  },
  {
@@ -546,7 +541,6 @@ export default tseslint.config([
  name: 'packages - vitest',
  files: ['packages/*/src/**/*.test.{ts,tsx}'],
  rules: {
- 'jest/unbound-method': 'off',
  '@typescript-eslint/unbound-method': 'off',
  },
  },

diff --git a/integration/templates/expo-web/package.json b/integration/templates/expo-web/package.json
@@ -9,9 +9,6 @@
  "lint": "expo lint",
  "start": "pnpm dlx serve dist --single"
  },
- "jest": {
- "preset": "jest-expo"
- },
  "dependencies": {
  "@expo/vector-icons": "^14.0.2",
  "@react-navigation/native": "^6.0.2",
@@ -37,11 +34,8 @@
  "devDependencies": {
  "@babel/core": "^7.20.0",
  "@babel/runtime": "7.26.0",
- "@types/jest": "^29.5.12",
  "@types/react": "18.3.12",
  "@types/react-test-renderer": "^18.0.7",
- "jest": "^29.2.1",
- "jest-expo": "~51.0.3",
  "react-test-renderer": "18.2.0",
  "typescript": "~5.7.3"
  }

diff --git a/integration/templates/react-cra/package.json b/integration/templates/react-cra/package.json
@@ -5,8 +5,7 @@
  "scripts": {
  "build": "react-scripts build",
  "eject": "react-scripts eject",
- "start": "BROWSER=none react-scripts start",
- "test": "react-scripts test"
+ "start": "BROWSER=none react-scripts start"
  },
  "browserslist": {
  "production": [
@@ -22,8 +21,7 @@
  },
  "eslintConfig": {
  "extends": [
- "react-app",
- "react-app/jest"
+ "react-app"
  ]
  },
  "dependencies": {

diff --git a/jest.setup-after-env.ts b/jest.setup-after-env.ts
diff --git a/package.json b/package.json
@@ -79,19 +79,16 @@
  "@clerk/testing": "workspace:*",
  "@commitlint/cli": "^19.8.0",
  "@commitlint/config-conventional": "^19.8.0",
- "@emotion/jest": "^11.13.0",
  "@eslint/eslintrc": "^3.3.1",
  "@eslint/js": "9.31.0",
  "@faker-js/faker": "^9.9.0",
- "@jest/globals": "29.7.0",
  "@octokit/rest": "^20.1.2",
  "@playwright/test": "^1.56.1",
  "@testing-library/dom": "^10.1.0",
  "@testing-library/jest-dom": "^6.4.6",
  "@testing-library/react": "^16.0.0",
  "@testing-library/user-event": "^14.5.2",
  "@types/cross-spawn": "^6.0.6",
- "@types/jest": "^29.3.1",
  "@types/node": "^22.18.12",
  "@types/react": "catalog:react",
  "@types/react-dom": "catalog:react",
@@ -108,7 +105,6 @@
  "eslint-config-turbo": "2.5.5",
  "eslint-import-resolver-typescript": "3.10.1",
  "eslint-plugin-import": "2.32.0",
- "eslint-plugin-jest": "28.14.0",
  "eslint-plugin-jsdoc": "50.8.0",
  "eslint-plugin-jsx-a11y": "6.10.2",
  "eslint-plugin-playwright": "2.2.0",
@@ -126,9 +122,6 @@
  "http-proxy": "^1.18.1",
  "http-server": "^14.1.1",
  "husky": "^8.0.3",
- "jest": "^29.7.0",
- "jest-chrome": "^0.8.0",
- "jest-environment-jsdom": "^29.3.1",
  "json5": "2.2.3",
  "jsonwebtoken": "9.0.2",
  "lint-staged": "^14.0.1",
@@ -145,7 +138,6 @@
  "statuses": "^1.5.0",
  "tinyglobby": "^0.2.15",
  "tree-kill": "^1.2.2",
- "ts-jest": "29.2.5",
  "tsdown": "catalog:repo",
  "tsup": "catalog:repo",
  "turbo": "^2.5.4",
@@ -169,8 +161,6 @@
  "msw"
  ],
  "overrides": {
- "jest": "29.7.0",
- "jest-snapshot-prettier": "npm:prettier@^3.5.3",
  "react": "catalog:react",
  "react-dom": "catalog:react",
  "rolldown": "catalog:repo"

diff --git a/packages/backend/src/tokens/__tests__/getAuth.test-d.ts b/packages/backend/src/tokens/__tests__/getAuth.test-d.ts
@@ -1,4 +1,4 @@
-import { expectTypeOf, test } from 'vitest';
+import { describe, expectTypeOf, test } from 'vitest';
 
 import type { RedirectFun } from '../../createRedirect';
 import type { AuthObject, InvalidTokenAuthObject } from '../authObjects';

diff --git a/packages/chrome-extension/package.json b/packages/chrome-extension/package.json
@@ -95,7 +95,8 @@
  "devDependencies": {
  "@types/chrome": "^0.1.12",
  "@types/webextension-polyfill": "^0.12.3",
- "type-fest": "^4.41.0"
+ "type-fest": "^4.41.0",
+ "vitest-chrome": "^0.1.0"
  },
  "peerDependencies": {
  "react": "catalog:peer-react",

diff --git a/packages/chrome-extension/src/internal/utils/__tests__/cookies.test.ts b/packages/chrome-extension/src/internal/utils/__tests__/cookies.test.ts
@@ -41,7 +41,7 @@ describe('Cookies', () => {
 
  getMock.mockResolvedValue(cookie);
 
- expect(await getClientCookie({ callback: jest.fn(), name, url })).toBe(cookie);
+ expect(await getClientCookie({ callback: vi.fn(), name, url })).toBe(cookie);
 
  expectMockCalls(getMock, name, [url]);
  });

diff --git a/packages/chrome-extension/vitest.config.mts b/packages/chrome-extension/vitest.config.mts
@@ -5,6 +5,11 @@ const { name, version } = JSON.parse(readFileSync('./package.json', 'utf8'));
 
 export default defineConfig({
  plugins: [],
+ resolve: {
+ alias: {
+ 'vitest-chrome': 'vitest-chrome/lib/index.esm.js',
+ },
+ },
  define: {
  PACKAGE_NAME: JSON.stringify(name),
  PACKAGE_VERSION: JSON.stringify(version),

diff --git a/packages/chrome-extension/vitest.setup.mts b/packages/chrome-extension/vitest.setup.mts
@@ -1,9 +1,7 @@
-import { vi } from 'vitest';
-// `jest-chrome` directly references the `jest` global
-(globalThis as any).jest = vi;
+import * as vitestChrome from 'vitest-chrome';
 
-import { chrome } from 'jest-chrome';
+const { chrome } = vitestChrome;
 
 // @ts-expect-error - required for the browser polyfill
 chrome.runtime.id = 'chrome-extension-test';
-Object.assign(global, { chrome, browser: chrome });
+Object.assign(globalThis, vitestChrome, { browser: chrome });
diff --git a/packages/clerk-js/vitest.setup.mts b/packages/clerk-js/vitest.setup.mts
@@ -50,7 +50,7 @@ beforeAll(() => {
  return ogToLocaleDateString.call(this, 'en-US', args[1]); // Pass options if provided
  };
 
- // --- Setup from jest.jsdom-with-timezone.ts ---
+ // Keep locale and timezone deterministic across test environments.
  // Set a default timezone (e.g., UTC) for consistency
  process.env.TZ = 'UTC';
 });
@@ -60,7 +60,7 @@ afterAll(() => {
  Date.prototype.toLocaleDateString = ogToLocaleDateString;
 });
 
-// --- Setup from package jest.setup.ts ---
+// Shared DOM and runtime setup for component tests.
 
 // Mock Response class if not already defined by jsdom/happy-dom
 class FakeResponse {}
@@ -285,7 +285,7 @@ vi.mock('browser-tabs-lock', () => {
  };
 });
 
-// Mock jest-chrome if its functionality is needed
+// Mock browser extension APIs when a test needs them.
 // Example: Mocking chrome.runtime.sendMessage
 // global.chrome = {
 // runtime: {

diff --git a/packages/dev-cli/jsconfig.json b/packages/dev-cli/jsconfig.json
@@ -16,7 +16,6 @@
  "strict": true,
  "target": "ES2020",
  "outDir": "dist",
- "types": ["jest"],
  "checkJs": true
  },
  "exclude": ["node_modules"],

diff --git a/packages/express/tsconfig.json b/packages/express/tsconfig.json
@@ -15,8 +15,7 @@
  "sourceMap": false,
  "strict": true,
  "target": "ES2020",
- "outDir": "dist",
- "types": ["jest"]
+ "outDir": "dist"
  },
  "exclude": ["node_modules"],
  "include": ["src"]

diff --git a/packages/nuxt/src/runtime/server/__tests__/clerkClient.test.ts b/packages/nuxt/src/runtime/server/__tests__/clerkClient.test.ts
@@ -1,4 +1,4 @@
-import { vi } from 'vitest';
+import { beforeEach, describe, expect, it, vi } from 'vitest';
 
 // These globals are normally injected at build time by tsup.
 (globalThis as any).PACKAGE_NAME = '@clerk/nuxt';

diff --git a/packages/nuxt/src/runtime/server/__tests__/clerkMiddleware.test.ts b/packages/nuxt/src/runtime/server/__tests__/clerkMiddleware.test.ts
@@ -1,5 +1,5 @@
 import { createApp, eventHandler, setResponseHeader, toWebHandler } from 'h3';
-import { vi } from 'vitest';
+import { describe, expect, test, vi } from 'vitest';
 
 import { clerkMiddleware } from '../clerkMiddleware';
 

diff --git a/playground/cra-js/package.json b/playground/cra-js/package.json
@@ -6,9 +6,6 @@
  "@clerk/react": "workspace:*",
  "@clerk/shared": "workspace:*",
  "@clerk/types": "workspace:*",
- "@testing-library/jest-dom": "^5.16.5",
- "@testing-library/react": "^13.4.0",
- "@testing-library/user-event": "^13.5.0",
  "react": "^18.2.0",
  "react-dom": "^18.2.0",
  "react-scripts": "5.0.1",
@@ -17,13 +14,11 @@
  "scripts": {
  "start": "react-scripts start",
  "build": "react-scripts build",
- "test": "react-scripts test",
  "eject": "react-scripts eject"
  },
  "eslintConfig": {
  "extends": [
- "react-app",
- "react-app/jest"
+ "react-app"
  ]
  },
  "browserslist": {

diff --git a/playground/cra-js/src/App.test.js b/playground/cra-js/src/App.test.js
diff --git a/playground/cra-js/src/setupTests.js b/playground/cra-js/src/setupTests.js
diff --git a/.changeset/eight-paws-exercise.md b/.changeset/eight-paws-exercise.md
@@ -0,0 +1,2 @@
+---
+---
diff --git a/eslint.config.mjs b/eslint.config.mjs
@@ -2,7 +2,6 @@ import eslint from '@eslint/js';
 import configPrettier from 'eslint-config-prettier';
 import configTurbo from 'eslint-config-turbo/flat';
 import pluginImport from 'eslint-plugin-import';
-import pluginJest from 'eslint-plugin-jest';
 import pluginJsDoc from 'eslint-plugin-jsdoc';
 import pluginJsxA11y from 'eslint-plugin-jsx-a11y';
 import pluginPlaywright from 'eslint-plugin-playwright';
@@ -497,16 +496,12 @@ export default tseslint.config([
  name: 'repo/test',
  files: TEST_FILES,
  languageOptions: {
- globals: pluginJest.environments.globals.globals,
- },
- plugins: {
- jest: pluginJest,
+ globals: globals.vitest,
  },
  rules: {
  '@typescript-eslint/await-thenable': 'off',
  '@typescript-eslint/no-non-null-assertion': 'off',
  '@typescript-eslint/unbound-method': 'off',
- 'jest/unbound-method': 'error',
  },
  },
  {
@@ -546,7 +541,6 @@ export default tseslint.config([
  name: 'packages - vitest',
  files: ['packages/*/src/**/*.test.{ts,tsx}'],
  rules: {
- 'jest/unbound-method': 'off',
  '@typescript-eslint/unbound-method': 'off',
  },
  },

diff --git a/integration/templates/expo-web/package.json b/integration/templates/expo-web/package.json
@@ -9,9 +9,6 @@
  "lint": "expo lint",
  "start": "pnpm dlx serve dist --single"
  },
- "jest": {
- "preset": "jest-expo"
- },
  "dependencies": {
  "@expo/vector-icons": "^14.0.2",
  "@react-navigation/native": "^6.0.2",
@@ -37,11 +34,8 @@
  "devDependencies": {
  "@babel/core": "^7.20.0",
  "@babel/runtime": "7.26.0",
- "@types/jest": "^29.5.12",
  "@types/react": "18.3.12",
  "@types/react-test-renderer": "^18.0.7",
- "jest": "^29.2.1",
- "jest-expo": "~51.0.3",
  "react-test-renderer": "18.2.0",
  "typescript": "~5.7.3"
  }

diff --git a/integration/templates/react-cra/package.json b/integration/templates/react-cra/package.json
@@ -5,8 +5,7 @@
  "scripts": {
  "build": "react-scripts build",
  "eject": "react-scripts eject",
- "start": "BROWSER=none react-scripts start",
- "test": "react-scripts test"
+ "start": "BROWSER=none react-scripts start"
  },
  "browserslist": {
  "production": [
@@ -22,8 +21,7 @@
  },
  "eslintConfig": {
  "extends": [
- "react-app",
- "react-app/jest"
+ "react-app"
  ]
  },
  "dependencies": {

diff --git a/jest.setup-after-env.ts b/jest.setup-after-env.ts
diff --git a/package.json b/package.json
@@ -79,19 +79,16 @@
  "@clerk/testing": "workspace:*",
  "@commitlint/cli": "^19.8.0",
  "@commitlint/config-conventional": "^19.8.0",
- "@emotion/jest": "^11.13.0",
  "@eslint/eslintrc": "^3.3.1",
  "@eslint/js": "9.31.0",
  "@faker-js/faker": "^9.9.0",
- "@jest/globals": "29.7.0",
  "@octokit/rest": "^20.1.2",
  "@playwright/test": "^1.56.1",
  "@testing-library/dom": "^10.1.0",
  "@testing-library/jest-dom": "^6.4.6",
  "@testing-library/react": "^16.0.0",
  "@testing-library/user-event": "^14.5.2",
  "@types/cross-spawn": "^6.0.6",
- "@types/jest": "^29.3.1",
  "@types/node": "^22.18.12",
  "@types/react": "catalog:react",
  "@types/react-dom": "catalog:react",
@@ -108,7 +105,6 @@
  "eslint-config-turbo": "2.5.5",
  "eslint-import-resolver-typescript": "3.10.1",
  "eslint-plugin-import": "2.32.0",
- "eslint-plugin-jest": "28.14.0",
  "eslint-plugin-jsdoc": "50.8.0",
  "eslint-plugin-jsx-a11y": "6.10.2",
  "eslint-plugin-playwright": "2.2.0",
@@ -126,9 +122,6 @@
  "http-proxy": "^1.18.1",
  "http-server": "^14.1.1",
  "husky": "^8.0.3",
- "jest": "^29.7.0",
- "jest-chrome": "^0.8.0",
- "jest-environment-jsdom": "^29.3.1",
  "json5": "2.2.3",
  "jsonwebtoken": "9.0.2",
  "lint-staged": "^14.0.1",
@@ -145,7 +138,6 @@
  "statuses": "^1.5.0",
  "tinyglobby": "^0.2.15",
  "tree-kill": "^1.2.2",
- "ts-jest": "29.2.5",
  "tsdown": "catalog:repo",
  "tsup": "catalog:repo",
  "turbo": "^2.5.4",
@@ -169,8 +161,6 @@
  "msw"
  ],
  "overrides": {
- "jest": "29.7.0",
- "jest-snapshot-prettier": "npm:prettier@^3.5.3",
  "react": "catalog:react",
  "react-dom": "catalog:react",
  "rolldown": "catalog:repo"

diff --git a/packages/backend/src/tokens/__tests__/getAuth.test-d.ts b/packages/backend/src/tokens/__tests__/getAuth.test-d.ts
@@ -1,4 +1,4 @@
-import { expectTypeOf, test } from 'vitest';
+import { describe, expectTypeOf, test } from 'vitest';
 
 import type { RedirectFun } from '../../createRedirect';
 import type { AuthObject, InvalidTokenAuthObject } from '../authObjects';

diff --git a/packages/chrome-extension/package.json b/packages/chrome-extension/package.json
@@ -95,7 +95,8 @@
  "devDependencies": {
  "@types/chrome": "^0.1.12",
  "@types/webextension-polyfill": "^0.12.3",
- "type-fest": "^4.41.0"
+ "type-fest": "^4.41.0",
+ "vitest-chrome": "^0.1.0"
  },
  "peerDependencies": {
  "react": "catalog:peer-react",

diff --git a/packages/chrome-extension/src/internal/utils/__tests__/cookies.test.ts b/packages/chrome-extension/src/internal/utils/__tests__/cookies.test.ts
@@ -41,7 +41,7 @@ describe('Cookies', () => {
 
  getMock.mockResolvedValue(cookie);
 
- expect(await getClientCookie({ callback: jest.fn(), name, url })).toBe(cookie);
+ expect(await getClientCookie({ callback: vi.fn(), name, url })).toBe(cookie);
 
  expectMockCalls(getMock, name, [url]);
  });

diff --git a/packages/chrome-extension/vitest.config.mts b/packages/chrome-extension/vitest.config.mts
@@ -5,6 +5,11 @@ const { name, version } = JSON.parse(readFileSync('./package.json', 'utf8'));
 
 export default defineConfig({
  plugins: [],
+ resolve: {
+ alias: {
+ 'vitest-chrome': 'vitest-chrome/lib/index.esm.js',
+ },
+ },
  define: {
  PACKAGE_NAME: JSON.stringify(name),
  PACKAGE_VERSION: JSON.stringify(version),

diff --git a/packages/chrome-extension/vitest.setup.mts b/packages/chrome-extension/vitest.setup.mts
@@ -1,9 +1,7 @@
-import { vi } from 'vitest';
-// `jest-chrome` directly references the `jest` global
-(globalThis as any).jest = vi;
+import * as vitestChrome from 'vitest-chrome';
 
-import { chrome } from 'jest-chrome';
+const { chrome } = vitestChrome;
 
 // @ts-expect-error - required for the browser polyfill
 chrome.runtime.id = 'chrome-extension-test';
-Object.assign(global, { chrome, browser: chrome });
+Object.assign(globalThis, vitestChrome, { browser: chrome });
diff --git a/packages/clerk-js/vitest.setup.mts b/packages/clerk-js/vitest.setup.mts
@@ -50,7 +50,7 @@ beforeAll(() => {
  return ogToLocaleDateString.call(this, 'en-US', args[1]); // Pass options if provided
  };
 
- // --- Setup from jest.jsdom-with-timezone.ts ---
+ // Keep locale and timezone deterministic across test environments.
  // Set a default timezone (e.g., UTC) for consistency
  process.env.TZ = 'UTC';
 });
@@ -60,7 +60,7 @@ afterAll(() => {
  Date.prototype.toLocaleDateString = ogToLocaleDateString;
 });
 
-// --- Setup from package jest.setup.ts ---
+// Shared DOM and runtime setup for component tests.
 
 // Mock Response class if not already defined by jsdom/happy-dom
 class FakeResponse {}
@@ -285,7 +285,7 @@ vi.mock('browser-tabs-lock', () => {
  };
 });
 
-// Mock jest-chrome if its functionality is needed
+// Mock browser extension APIs when a test needs them.
 // Example: Mocking chrome.runtime.sendMessage
 // global.chrome = {
 // runtime: {

diff --git a/packages/dev-cli/jsconfig.json b/packages/dev-cli/jsconfig.json
@@ -16,7 +16,6 @@
  "strict": true,
  "target": "ES2020",
  "outDir": "dist",
- "types": ["jest"],
  "checkJs": true
  },
  "exclude": ["node_modules"],

diff --git a/packages/express/tsconfig.json b/packages/express/tsconfig.json
@@ -15,8 +15,7 @@
  "sourceMap": false,
  "strict": true,
  "target": "ES2020",
- "outDir": "dist",
- "types": ["jest"]
+ "outDir": "dist"
  },
  "exclude": ["node_modules"],
  "include": ["src"]

diff --git a/packages/nuxt/src/runtime/server/__tests__/clerkClient.test.ts b/packages/nuxt/src/runtime/server/__tests__/clerkClient.test.ts
@@ -1,4 +1,4 @@
-import { vi } from 'vitest';
+import { beforeEach, describe, expect, it, vi } from 'vitest';
 
 // These globals are normally injected at build time by tsup.
 (globalThis as any).PACKAGE_NAME = '@clerk/nuxt';

diff --git a/packages/nuxt/src/runtime/server/__tests__/clerkMiddleware.test.ts b/packages/nuxt/src/runtime/server/__tests__/clerkMiddleware.test.ts
@@ -1,5 +1,5 @@
 import { createApp, eventHandler, setResponseHeader, toWebHandler } from 'h3';
-import { vi } from 'vitest';
+import { describe, expect, test, vi } from 'vitest';
 
 import { clerkMiddleware } from '../clerkMiddleware';
 

diff --git a/playground/cra-js/package.json b/playground/cra-js/package.json
@@ -6,9 +6,6 @@
  "@clerk/react": "workspace:*",
  "@clerk/shared": "workspace:*",
  "@clerk/types": "workspace:*",
- "@testing-library/jest-dom": "^5.16.5",
- "@testing-library/react": "^13.4.0",
- "@testing-library/user-event": "^13.5.0",
  "react": "^18.2.0",
  "react-dom": "^18.2.0",
  "react-scripts": "5.0.1",
@@ -17,13 +14,11 @@
  "scripts": {
  "start": "react-scripts start",
  "build": "react-scripts build",
- "test": "react-scripts test",
  "eject": "react-scripts eject"
  },
  "eslintConfig": {
  "extends": [
- "react-app",
- "react-app/jest"
+ "react-app"
  ]
  },
  "browserslist": {

diff --git a/playground/cra-js/src/App.test.js b/playground/cra-js/src/App.test.js
diff --git a/playground/cra-js/src/setupTests.js b/playground/cra-js/src/setupTests.js
diff --git a/.changeset/eight-paws-exercise.md b/.changeset/eight-paws-exercise.md
@@ -0,0 +1,2 @@
+---
+---
diff --git a/eslint.config.mjs b/eslint.config.mjs
@@ -2,7 +2,6 @@ import eslint from '@eslint/js';
 import configPrettier from 'eslint-config-prettier';
 import configTurbo from 'eslint-config-turbo/flat';
 import pluginImport from 'eslint-plugin-import';
-import pluginJest from 'eslint-plugin-jest';
 import pluginJsDoc from 'eslint-plugin-jsdoc';
 import pluginJsxA11y from 'eslint-plugin-jsx-a11y';
 import pluginPlaywright from 'eslint-plugin-playwright';
@@ -497,16 +496,12 @@ export default tseslint.config([
  name: 'repo/test',
  files: TEST_FILES,
  languageOptions: {
- globals: pluginJest.environments.globals.globals,
- },
- plugins: {
- jest: pluginJest,
+ globals: globals.vitest,
  },
  rules: {
  '@typescript-eslint/await-thenable': 'off',
  '@typescript-eslint/no-non-null-assertion': 'off',
  '@typescript-eslint/unbound-method': 'off',
- 'jest/unbound-method': 'error',
  },
  },
  {
@@ -546,7 +541,6 @@ export default tseslint.config([
  name: 'packages - vitest',
  files: ['packages/*/src/**/*.test.{ts,tsx}'],
  rules: {
- 'jest/unbound-method': 'off',
  '@typescript-eslint/unbound-method': 'off',
  },
  },

diff --git a/integration/templates/expo-web/package.json b/integration/templates/expo-web/package.json
@@ -9,9 +9,6 @@
  "lint": "expo lint",
  "start": "pnpm dlx serve dist --single"
  },
- "jest": {
- "preset": "jest-expo"
- },
  "dependencies": {
  "@expo/vector-icons": "^14.0.2",
  "@react-navigation/native": "^6.0.2",
@@ -37,11 +34,8 @@
  "devDependencies": {
  "@babel/core": "^7.20.0",
  "@babel/runtime": "7.26.0",
- "@types/jest": "^29.5.12",
  "@types/react": "18.3.12",
  "@types/react-test-renderer": "^18.0.7",
- "jest": "^29.2.1",
- "jest-expo": "~51.0.3",
  "react-test-renderer": "18.2.0",
  "typescript": "~5.7.3"
  }

diff --git a/integration/templates/react-cra/package.json b/integration/templates/react-cra/package.json
@@ -5,8 +5,7 @@
  "scripts": {
  "build": "react-scripts build",
  "eject": "react-scripts eject",
- "start": "BROWSER=none react-scripts start",
- "test": "react-scripts test"
+ "start": "BROWSER=none react-scripts start"
  },
  "browserslist": {
  "production": [
@@ -22,8 +21,7 @@
  },
  "eslintConfig": {
  "extends": [
- "react-app",
- "react-app/jest"
+ "react-app"
  ]
  },
  "dependencies": {

diff --git a/jest.setup-after-env.ts b/jest.setup-after-env.ts
diff --git a/package.json b/package.json
@@ -79,19 +79,16 @@
  "@clerk/testing": "workspace:*",
  "@commitlint/cli": "^19.8.0",
  "@commitlint/config-conventional": "^19.8.0",
- "@emotion/jest": "^11.13.0",
  "@eslint/eslintrc": "^3.3.1",
  "@eslint/js": "9.31.0",
  "@faker-js/faker": "^9.9.0",
- "@jest/globals": "29.7.0",
  "@octokit/rest": "^20.1.2",
  "@playwright/test": "^1.56.1",
  "@testing-library/dom": "^10.1.0",
  "@testing-library/jest-dom": "^6.4.6",
  "@testing-library/react": "^16.0.0",
  "@testing-library/user-event": "^14.5.2",
  "@types/cross-spawn": "^6.0.6",
- "@types/jest": "^29.3.1",
  "@types/node": "^22.18.12",
  "@types/react": "catalog:react",
  "@types/react-dom": "catalog:react",
@@ -108,7 +105,6 @@
  "eslint-config-turbo": "2.5.5",
  "eslint-import-resolver-typescript": "3.10.1",
  "eslint-plugin-import": "2.32.0",
- "eslint-plugin-jest": "28.14.0",
  "eslint-plugin-jsdoc": "50.8.0",
  "eslint-plugin-jsx-a11y": "6.10.2",
  "eslint-plugin-playwright": "2.2.0",
@@ -126,9 +122,6 @@
  "http-proxy": "^1.18.1",
  "http-server": "^14.1.1",
  "husky": "^8.0.3",
- "jest": "^29.7.0",
- "jest-chrome": "^0.8.0",
- "jest-environment-jsdom": "^29.3.1",
  "json5": "2.2.3",
  "jsonwebtoken": "9.0.2",
  "lint-staged": "^14.0.1",
@@ -145,7 +138,6 @@
  "statuses": "^1.5.0",
  "tinyglobby": "^0.2.15",
  "tree-kill": "^1.2.2",
- "ts-jest": "29.2.5",
  "tsdown": "catalog:repo",
  "tsup": "catalog:repo",
  "turbo": "^2.5.4",
@@ -169,8 +161,6 @@
  "msw"
  ],
  "overrides": {
- "jest": "29.7.0",
- "jest-snapshot-prettier": "npm:prettier@^3.5.3",
  "react": "catalog:react",
  "react-dom": "catalog:react",
  "rolldown": "catalog:repo"

diff --git a/packages/backend/src/tokens/__tests__/getAuth.test-d.ts b/packages/backend/src/tokens/__tests__/getAuth.test-d.ts
@@ -1,4 +1,4 @@
-import { expectTypeOf, test } from 'vitest';
+import { describe, expectTypeOf, test } from 'vitest';
 
 import type { RedirectFun } from '../../createRedirect';
 import type { AuthObject, InvalidTokenAuthObject } from '../authObjects';

diff --git a/packages/chrome-extension/package.json b/packages/chrome-extension/package.json
@@ -95,7 +95,8 @@
  "devDependencies": {
  "@types/chrome": "^0.1.12",
  "@types/webextension-polyfill": "^0.12.3",
- "type-fest": "^4.41.0"
+ "type-fest": "^4.41.0",
+ "vitest-chrome": "^0.1.0"
  },
  "peerDependencies": {
  "react": "catalog:peer-react",

diff --git a/packages/chrome-extension/src/internal/utils/__tests__/cookies.test.ts b/packages/chrome-extension/src/internal/utils/__tests__/cookies.test.ts
@@ -41,7 +41,7 @@ describe('Cookies', () => {
 
  getMock.mockResolvedValue(cookie);
 
- expect(await getClientCookie({ callback: jest.fn(), name, url })).toBe(cookie);
+ expect(await getClientCookie({ callback: vi.fn(), name, url })).toBe(cookie);
 
  expectMockCalls(getMock, name, [url]);
  });

diff --git a/packages/chrome-extension/vitest.config.mts b/packages/chrome-extension/vitest.config.mts
@@ -5,6 +5,11 @@ const { name, version } = JSON.parse(readFileSync('./package.json', 'utf8'));
 
 export default defineConfig({
  plugins: [],
+ resolve: {
+ alias: {
+ 'vitest-chrome': 'vitest-chrome/lib/index.esm.js',
+ },
+ },
  define: {
  PACKAGE_NAME: JSON.stringify(name),
  PACKAGE_VERSION: JSON.stringify(version),

diff --git a/packages/chrome-extension/vitest.setup.mts b/packages/chrome-extension/vitest.setup.mts
@@ -1,9 +1,7 @@
-import { vi } from 'vitest';
-// `jest-chrome` directly references the `jest` global
-(globalThis as any).jest = vi;
+import * as vitestChrome from 'vitest-chrome';
 
-import { chrome } from 'jest-chrome';
+const { chrome } = vitestChrome;
 
 // @ts-expect-error - required for the browser polyfill
 chrome.runtime.id = 'chrome-extension-test';
-Object.assign(global, { chrome, browser: chrome });
+Object.assign(globalThis, vitestChrome, { browser: chrome });
diff --git a/packages/clerk-js/vitest.setup.mts b/packages/clerk-js/vitest.setup.mts
@@ -50,7 +50,7 @@ beforeAll(() => {
  return ogToLocaleDateString.call(this, 'en-US', args[1]); // Pass options if provided
  };
 
- // --- Setup from jest.jsdom-with-timezone.ts ---
+ // Keep locale and timezone deterministic across test environments.
  // Set a default timezone (e.g., UTC) for consistency
  process.env.TZ = 'UTC';
 });
@@ -60,7 +60,7 @@ afterAll(() => {
  Date.prototype.toLocaleDateString = ogToLocaleDateString;
 });
 
-// --- Setup from package jest.setup.ts ---
+// Shared DOM and runtime setup for component tests.
 
 // Mock Response class if not already defined by jsdom/happy-dom
 class FakeResponse {}
@@ -285,7 +285,7 @@ vi.mock('browser-tabs-lock', () => {
  };
 });
 
-// Mock jest-chrome if its functionality is needed
+// Mock browser extension APIs when a test needs them.
 // Example: Mocking chrome.runtime.sendMessage
 // global.chrome = {
 // runtime: {

diff --git a/packages/dev-cli/jsconfig.json b/packages/dev-cli/jsconfig.json
@@ -16,7 +16,6 @@
  "strict": true,
  "target": "ES2020",
  "outDir": "dist",
- "types": ["jest"],
  "checkJs": true
  },
  "exclude": ["node_modules"],

diff --git a/packages/express/tsconfig.json b/packages/express/tsconfig.json
@@ -15,8 +15,7 @@
  "sourceMap": false,
  "strict": true,
  "target": "ES2020",
- "outDir": "dist",
- "types": ["jest"]
+ "outDir": "dist"
  },
  "exclude": ["node_modules"],
  "include": ["src"]

diff --git a/packages/nuxt/src/runtime/server/__tests__/clerkClient.test.ts b/packages/nuxt/src/runtime/server/__tests__/clerkClient.test.ts
@@ -1,4 +1,4 @@
-import { vi } from 'vitest';
+import { beforeEach, describe, expect, it, vi } from 'vitest';
 
 // These globals are normally injected at build time by tsup.
 (globalThis as any).PACKAGE_NAME = '@clerk/nuxt';

diff --git a/packages/nuxt/src/runtime/server/__tests__/clerkMiddleware.test.ts b/packages/nuxt/src/runtime/server/__tests__/clerkMiddleware.test.ts
@@ -1,5 +1,5 @@
 import { createApp, eventHandler, setResponseHeader, toWebHandler } from 'h3';
-import { vi } from 'vitest';
+import { describe, expect, test, vi } from 'vitest';
 
 import { clerkMiddleware } from '../clerkMiddleware';
 

diff --git a/playground/cra-js/package.json b/playground/cra-js/package.json
@@ -6,9 +6,6 @@
  "@clerk/react": "workspace:*",
  "@clerk/shared": "workspace:*",
  "@clerk/types": "workspace:*",
- "@testing-library/jest-dom": "^5.16.5",
- "@testing-library/react": "^13.4.0",
- "@testing-library/user-event": "^13.5.0",
  "react": "^18.2.0",
  "react-dom": "^18.2.0",
  "react-scripts": "5.0.1",
@@ -17,13 +14,11 @@
  "scripts": {
  "start": "react-scripts start",
  "build": "react-scripts build",
- "test": "react-scripts test",
  "eject": "react-scripts eject"
  },
  "eslintConfig": {
  "extends": [
- "react-app",
- "react-app/jest"
+ "react-app"
  ]
  },
  "browserslist": {

diff --git a/playground/cra-js/src/App.test.js b/playground/cra-js/src/App.test.js
diff --git a/playground/cra-js/src/setupTests.js b/playground/cra-js/src/setupTests.js
diff --git a/.changeset/eight-paws-exercise.md b/.changeset/eight-paws-exercise.md
@@ -0,0 +1,2 @@
+---
+---
diff --git a/eslint.config.mjs b/eslint.config.mjs
@@ -2,7 +2,6 @@ import eslint from '@eslint/js';
 import configPrettier from 'eslint-config-prettier';
 import configTurbo from 'eslint-config-turbo/flat';
 import pluginImport from 'eslint-plugin-import';
-import pluginJest from 'eslint-plugin-jest';
 import pluginJsDoc from 'eslint-plugin-jsdoc';
 import pluginJsxA11y from 'eslint-plugin-jsx-a11y';
 import pluginPlaywright from 'eslint-plugin-playwright';
@@ -497,16 +496,12 @@ export default tseslint.config([
  name: 'repo/test',
  files: TEST_FILES,
  languageOptions: {
- globals: pluginJest.environments.globals.globals,
- },
- plugins: {
- jest: pluginJest,
+ globals: globals.vitest,
  },
  rules: {
  '@typescript-eslint/await-thenable': 'off',
  '@typescript-eslint/no-non-null-assertion': 'off',
  '@typescript-eslint/unbound-method': 'off',
- 'jest/unbound-method': 'error',
  },
  },
  {
@@ -546,7 +541,6 @@ export default tseslint.config([
  name: 'packages - vitest',
  files: ['packages/*/src/**/*.test.{ts,tsx}'],
  rules: {
- 'jest/unbound-method': 'off',
  '@typescript-eslint/unbound-method': 'off',
  },
  },

diff --git a/integration/templates/expo-web/package.json b/integration/templates/expo-web/package.json
@@ -9,9 +9,6 @@
  "lint": "expo lint",
  "start": "pnpm dlx serve dist --single"
  },
- "jest": {
- "preset": "jest-expo"
- },
  "dependencies": {
  "@expo/vector-icons": "^14.0.2",
  "@react-navigation/native": "^6.0.2",
@@ -37,11 +34,8 @@
  "devDependencies": {
  "@babel/core": "^7.20.0",
  "@babel/runtime": "7.26.0",
- "@types/jest": "^29.5.12",
  "@types/react": "18.3.12",
  "@types/react-test-renderer": "^18.0.7",
- "jest": "^29.2.1",
- "jest-expo": "~51.0.3",
  "react-test-renderer": "18.2.0",
  "typescript": "~5.7.3"
  }

diff --git a/integration/templates/react-cra/package.json b/integration/templates/react-cra/package.json
@@ -5,8 +5,7 @@
  "scripts": {
  "build": "react-scripts build",
  "eject": "react-scripts eject",
- "start": "BROWSER=none react-scripts start",
- "test": "react-scripts test"
+ "start": "BROWSER=none react-scripts start"
  },
  "browserslist": {
  "production": [
@@ -22,8 +21,7 @@
  },
  "eslintConfig": {
  "extends": [
- "react-app",
- "react-app/jest"
+ "react-app"
  ]
  },
  "dependencies": {

diff --git a/jest.setup-after-env.ts b/jest.setup-after-env.ts
diff --git a/package.json b/package.json
@@ -79,19 +79,16 @@
  "@clerk/testing": "workspace:*",
  "@commitlint/cli": "^19.8.0",
  "@commitlint/config-conventional": "^19.8.0",
- "@emotion/jest": "^11.13.0",
  "@eslint/eslintrc": "^3.3.1",
  "@eslint/js": "9.31.0",
  "@faker-js/faker": "^9.9.0",
- "@jest/globals": "29.7.0",
  "@octokit/rest": "^20.1.2",
  "@playwright/test": "^1.56.1",
  "@testing-library/dom": "^10.1.0",
  "@testing-library/jest-dom": "^6.4.6",
  "@testing-library/react": "^16.0.0",
  "@testing-library/user-event": "^14.5.2",
  "@types/cross-spawn": "^6.0.6",
- "@types/jest": "^29.3.1",
  "@types/node": "^22.18.12",
  "@types/react": "catalog:react",
  "@types/react-dom": "catalog:react",
@@ -108,7 +105,6 @@
  "eslint-config-turbo": "2.5.5",
  "eslint-import-resolver-typescript": "3.10.1",
  "eslint-plugin-import": "2.32.0",
- "eslint-plugin-jest": "28.14.0",
  "eslint-plugin-jsdoc": "50.8.0",
  "eslint-plugin-jsx-a11y": "6.10.2",
  "eslint-plugin-playwright": "2.2.0",
@@ -126,9 +122,6 @@
  "http-proxy": "^1.18.1",
  "http-server": "^14.1.1",
  "husky": "^8.0.3",
- "jest": "^29.7.0",
- "jest-chrome": "^0.8.0",
- "jest-environment-jsdom": "^29.3.1",
  "json5": "2.2.3",
  "jsonwebtoken": "9.0.2",
  "lint-staged": "^14.0.1",
@@ -145,7 +138,6 @@
  "statuses": "^1.5.0",
  "tinyglobby": "^0.2.15",
  "tree-kill": "^1.2.2",
- "ts-jest": "29.2.5",
  "tsdown": "catalog:repo",
  "tsup": "catalog:repo",
  "turbo": "^2.5.4",
@@ -169,8 +161,6 @@
  "msw"
  ],
  "overrides": {
- "jest": "29.7.0",
- "jest-snapshot-prettier": "npm:prettier@^3.5.3",
  "react": "catalog:react",
  "react-dom": "catalog:react",
  "rolldown": "catalog:repo"

diff --git a/packages/backend/src/tokens/__tests__/getAuth.test-d.ts b/packages/backend/src/tokens/__tests__/getAuth.test-d.ts
@@ -1,4 +1,4 @@
-import { expectTypeOf, test } from 'vitest';
+import { describe, expectTypeOf, test } from 'vitest';
 
 import type { RedirectFun } from '../../createRedirect';
 import type { AuthObject, InvalidTokenAuthObject } from '../authObjects';

diff --git a/packages/chrome-extension/package.json b/packages/chrome-extension/package.json
@@ -95,7 +95,8 @@
  "devDependencies": {
  "@types/chrome": "^0.1.12",
  "@types/webextension-polyfill": "^0.12.3",
- "type-fest": "^4.41.0"
+ "type-fest": "^4.41.0",
+ "vitest-chrome": "^0.1.0"
  },
  "peerDependencies": {
  "react": "catalog:peer-react",

diff --git a/packages/chrome-extension/src/internal/utils/__tests__/cookies.test.ts b/packages/chrome-extension/src/internal/utils/__tests__/cookies.test.ts
@@ -41,7 +41,7 @@ describe('Cookies', () => {
 
  getMock.mockResolvedValue(cookie);
 
- expect(await getClientCookie({ callback: jest.fn(), name, url })).toBe(cookie);
+ expect(await getClientCookie({ callback: vi.fn(), name, url })).toBe(cookie);
 
  expectMockCalls(getMock, name, [url]);
  });

diff --git a/packages/chrome-extension/vitest.config.mts b/packages/chrome-extension/vitest.config.mts
@@ -5,6 +5,11 @@ const { name, version } = JSON.parse(readFileSync('./package.json', 'utf8'));
 
 export default defineConfig({
  plugins: [],
+ resolve: {
+ alias: {
+ 'vitest-chrome': 'vitest-chrome/lib/index.esm.js',
+ },
+ },
  define: {
  PACKAGE_NAME: JSON.stringify(name),
  PACKAGE_VERSION: JSON.stringify(version),

diff --git a/packages/chrome-extension/vitest.setup.mts b/packages/chrome-extension/vitest.setup.mts
@@ -1,9 +1,7 @@
-import { vi } from 'vitest';
-// `jest-chrome` directly references the `jest` global
-(globalThis as any).jest = vi;
+import * as vitestChrome from 'vitest-chrome';
 
-import { chrome } from 'jest-chrome';
+const { chrome } = vitestChrome;
 
 // @ts-expect-error - required for the browser polyfill
 chrome.runtime.id = 'chrome-extension-test';
-Object.assign(global, { chrome, browser: chrome });
+Object.assign(globalThis, vitestChrome, { browser: chrome });
diff --git a/packages/clerk-js/vitest.setup.mts b/packages/clerk-js/vitest.setup.mts
@@ -50,7 +50,7 @@ beforeAll(() => {
  return ogToLocaleDateString.call(this, 'en-US', args[1]); // Pass options if provided
  };
 
- // --- Setup from jest.jsdom-with-timezone.ts ---
+ // Keep locale and timezone deterministic across test environments.
  // Set a default timezone (e.g., UTC) for consistency
  process.env.TZ = 'UTC';
 });
@@ -60,7 +60,7 @@ afterAll(() => {
  Date.prototype.toLocaleDateString = ogToLocaleDateString;
 });
 
-// --- Setup from package jest.setup.ts ---
+// Shared DOM and runtime setup for component tests.
 
 // Mock Response class if not already defined by jsdom/happy-dom
 class FakeResponse {}
@@ -285,7 +285,7 @@ vi.mock('browser-tabs-lock', () => {
  };
 });
 
-// Mock jest-chrome if its functionality is needed
+// Mock browser extension APIs when a test needs them.
 // Example: Mocking chrome.runtime.sendMessage
 // global.chrome = {
 // runtime: {

diff --git a/packages/dev-cli/jsconfig.json b/packages/dev-cli/jsconfig.json
@@ -16,7 +16,6 @@
  "strict": true,
  "target": "ES2020",
  "outDir": "dist",
- "types": ["jest"],
  "checkJs": true
  },
  "exclude": ["node_modules"],

diff --git a/packages/express/tsconfig.json b/packages/express/tsconfig.json
@@ -15,8 +15,7 @@
  "sourceMap": false,
  "strict": true,
  "target": "ES2020",
- "outDir": "dist",
- "types": ["jest"]
+ "outDir": "dist"
  },
  "exclude": ["node_modules"],
  "include": ["src"]

diff --git a/packages/nuxt/src/runtime/server/__tests__/clerkClient.test.ts b/packages/nuxt/src/runtime/server/__tests__/clerkClient.test.ts
@@ -1,4 +1,4 @@
-import { vi } from 'vitest';
+import { beforeEach, describe, expect, it, vi } from 'vitest';
 
 // These globals are normally injected at build time by tsup.
 (globalThis as any).PACKAGE_NAME = '@clerk/nuxt';

diff --git a/packages/nuxt/src/runtime/server/__tests__/clerkMiddleware.test.ts b/packages/nuxt/src/runtime/server/__tests__/clerkMiddleware.test.ts
@@ -1,5 +1,5 @@
 import { createApp, eventHandler, setResponseHeader, toWebHandler } from 'h3';
-import { vi } from 'vitest';
+import { describe, expect, test, vi } from 'vitest';
 
 import { clerkMiddleware } from '../clerkMiddleware';
 

diff --git a/playground/cra-js/package.json b/playground/cra-js/package.json
@@ -6,9 +6,6 @@
  "@clerk/react": "workspace:*",
  "@clerk/shared": "workspace:*",
  "@clerk/types": "workspace:*",
- "@testing-library/jest-dom": "^5.16.5",
- "@testing-library/react": "^13.4.0",
- "@testing-library/user-event": "^13.5.0",
  "react": "^18.2.0",
  "react-dom": "^18.2.0",
  "react-scripts": "5.0.1",
@@ -17,13 +14,11 @@
  "scripts": {
  "start": "react-scripts start",
  "build": "react-scripts build",
- "test": "react-scripts test",
  "eject": "react-scripts eject"
  },
  "eslintConfig": {
  "extends": [
- "react-app",
- "react-app/jest"
+ "react-app"
  ]
  },
  "browserslist": {

diff --git a/playground/cra-js/src/App.test.js b/playground/cra-js/src/App.test.js
diff --git a/playground/cra-js/src/setupTests.js b/playground/cra-js/src/setupTests.js
diff --git a/.changeset/eight-paws-exercise.md b/.changeset/eight-paws-exercise.md
@@ -0,0 +1,2 @@
+---
+---
diff --git a/eslint.config.mjs b/eslint.config.mjs
@@ -2,7 +2,6 @@ import eslint from '@eslint/js';
 import configPrettier from 'eslint-config-prettier';
 import configTurbo from 'eslint-config-turbo/flat';
 import pluginImport from 'eslint-plugin-import';
-import pluginJest from 'eslint-plugin-jest';
 import pluginJsDoc from 'eslint-plugin-jsdoc';
 import pluginJsxA11y from 'eslint-plugin-jsx-a11y';
 import pluginPlaywright from 'eslint-plugin-playwright';
@@ -497,16 +496,12 @@ export default tseslint.config([
  name: 'repo/test',
  files: TEST_FILES,
  languageOptions: {
- globals: pluginJest.environments.globals.globals,
- },
- plugins: {
- jest: pluginJest,
+ globals: globals.vitest,
  },
  rules: {
  '@typescript-eslint/await-thenable': 'off',
  '@typescript-eslint/no-non-null-assertion': 'off',
  '@typescript-eslint/unbound-method': 'off',
- 'jest/unbound-method': 'error',
  },
  },
  {
@@ -546,7 +541,6 @@ export default tseslint.config([
  name: 'packages - vitest',
  files: ['packages/*/src/**/*.test.{ts,tsx}'],
  rules: {
- 'jest/unbound-method': 'off',
  '@typescript-eslint/unbound-method': 'off',
  },
  },

diff --git a/integration/templates/expo-web/package.json b/integration/templates/expo-web/package.json
@@ -9,9 +9,6 @@
  "lint": "expo lint",
  "start": "pnpm dlx serve dist --single"
  },
- "jest": {
- "preset": "jest-expo"
- },
  "dependencies": {
  "@expo/vector-icons": "^14.0.2",
  "@react-navigation/native": "^6.0.2",
@@ -37,11 +34,8 @@
  "devDependencies": {
  "@babel/core": "^7.20.0",
  "@babel/runtime": "7.26.0",
- "@types/jest": "^29.5.12",
  "@types/react": "18.3.12",
  "@types/react-test-renderer": "^18.0.7",
- "jest": "^29.2.1",
- "jest-expo": "~51.0.3",
  "react-test-renderer": "18.2.0",
  "typescript": "~5.7.3"
  }

diff --git a/integration/templates/react-cra/package.json b/integration/templates/react-cra/package.json
@@ -5,8 +5,7 @@
  "scripts": {
  "build": "react-scripts build",
  "eject": "react-scripts eject",
- "start": "BROWSER=none react-scripts start",
- "test": "react-scripts test"
+ "start": "BROWSER=none react-scripts start"
  },
  "browserslist": {
  "production": [
@@ -22,8 +21,7 @@
  },
  "eslintConfig": {
  "extends": [
- "react-app",
- "react-app/jest"
+ "react-app"
  ]
  },
  "dependencies": {

diff --git a/jest.setup-after-env.ts b/jest.setup-after-env.ts
diff --git a/package.json b/package.json
@@ -79,19 +79,16 @@
  "@clerk/testing": "workspace:*",
  "@commitlint/cli": "^19.8.0",
  "@commitlint/config-conventional": "^19.8.0",
- "@emotion/jest": "^11.13.0",
  "@eslint/eslintrc": "^3.3.1",
  "@eslint/js": "9.31.0",
  "@faker-js/faker": "^9.9.0",
- "@jest/globals": "29.7.0",
  "@octokit/rest": "^20.1.2",
  "@playwright/test": "^1.56.1",
  "@testing-library/dom": "^10.1.0",
  "@testing-library/jest-dom": "^6.4.6",
  "@testing-library/react": "^16.0.0",
  "@testing-library/user-event": "^14.5.2",
  "@types/cross-spawn": "^6.0.6",
- "@types/jest": "^29.3.1",
  "@types/node": "^22.18.12",
  "@types/react": "catalog:react",
  "@types/react-dom": "catalog:react",
@@ -108,7 +105,6 @@
  "eslint-config-turbo": "2.5.5",
  "eslint-import-resolver-typescript": "3.10.1",
  "eslint-plugin-import": "2.32.0",
- "eslint-plugin-jest": "28.14.0",
  "eslint-plugin-jsdoc": "50.8.0",
  "eslint-plugin-jsx-a11y": "6.10.2",
  "eslint-plugin-playwright": "2.2.0",
@@ -126,9 +122,6 @@
  "http-proxy": "^1.18.1",
  "http-server": "^14.1.1",
  "husky": "^8.0.3",
- "jest": "^29.7.0",
- "jest-chrome": "^0.8.0",
- "jest-environment-jsdom": "^29.3.1",
  "json5": "2.2.3",
  "jsonwebtoken": "9.0.2",
  "lint-staged": "^14.0.1",
@@ -145,7 +138,6 @@
  "statuses": "^1.5.0",
  "tinyglobby": "^0.2.15",
  "tree-kill": "^1.2.2",
- "ts-jest": "29.2.5",
  "tsdown": "catalog:repo",
  "tsup": "catalog:repo",
  "turbo": "^2.5.4",
@@ -169,8 +161,6 @@
  "msw"
  ],
  "overrides": {
- "jest": "29.7.0",
- "jest-snapshot-prettier": "npm:prettier@^3.5.3",
  "react": "catalog:react",
  "react-dom": "catalog:react",
  "rolldown": "catalog:repo"

diff --git a/packages/backend/src/tokens/__tests__/getAuth.test-d.ts b/packages/backend/src/tokens/__tests__/getAuth.test-d.ts
@@ -1,4 +1,4 @@
-import { expectTypeOf, test } from 'vitest';
+import { describe, expectTypeOf, test } from 'vitest';
 
 import type { RedirectFun } from '../../createRedirect';
 import type { AuthObject, InvalidTokenAuthObject } from '../authObjects';

diff --git a/packages/chrome-extension/package.json b/packages/chrome-extension/package.json
@@ -95,7 +95,8 @@
  "devDependencies": {
  "@types/chrome": "^0.1.12",
  "@types/webextension-polyfill": "^0.12.3",
- "type-fest": "^4.41.0"
+ "type-fest": "^4.41.0",
+ "vitest-chrome": "^0.1.0"
  },
  "peerDependencies": {
  "react": "catalog:peer-react",

diff --git a/packages/chrome-extension/src/internal/utils/__tests__/cookies.test.ts b/packages/chrome-extension/src/internal/utils/__tests__/cookies.test.ts
@@ -41,7 +41,7 @@ describe('Cookies', () => {
 
  getMock.mockResolvedValue(cookie);
 
- expect(await getClientCookie({ callback: jest.fn(), name, url })).toBe(cookie);
+ expect(await getClientCookie({ callback: vi.fn(), name, url })).toBe(cookie);
 
  expectMockCalls(getMock, name, [url]);
  });

diff --git a/packages/chrome-extension/vitest.config.mts b/packages/chrome-extension/vitest.config.mts
@@ -5,6 +5,11 @@ const { name, version } = JSON.parse(readFileSync('./package.json', 'utf8'));
 
 export default defineConfig({
  plugins: [],
+ resolve: {
+ alias: {
+ 'vitest-chrome': 'vitest-chrome/lib/index.esm.js',
+ },
+ },
  define: {
  PACKAGE_NAME: JSON.stringify(name),
  PACKAGE_VERSION: JSON.stringify(version),

diff --git a/packages/chrome-extension/vitest.setup.mts b/packages/chrome-extension/vitest.setup.mts
@@ -1,9 +1,7 @@
-import { vi } from 'vitest';
-// `jest-chrome` directly references the `jest` global
-(globalThis as any).jest = vi;
+import * as vitestChrome from 'vitest-chrome';
 
-import { chrome } from 'jest-chrome';
+const { chrome } = vitestChrome;
 
 // @ts-expect-error - required for the browser polyfill
 chrome.runtime.id = 'chrome-extension-test';
-Object.assign(global, { chrome, browser: chrome });
+Object.assign(globalThis, vitestChrome, { browser: chrome });
diff --git a/packages/clerk-js/vitest.setup.mts b/packages/clerk-js/vitest.setup.mts
@@ -50,7 +50,7 @@ beforeAll(() => {
  return ogToLocaleDateString.call(this, 'en-US', args[1]); // Pass options if provided
  };
 
- // --- Setup from jest.jsdom-with-timezone.ts ---
+ // Keep locale and timezone deterministic across test environments.
  // Set a default timezone (e.g., UTC) for consistency
  process.env.TZ = 'UTC';
 });
@@ -60,7 +60,7 @@ afterAll(() => {
  Date.prototype.toLocaleDateString = ogToLocaleDateString;
 });
 
-// --- Setup from package jest.setup.ts ---
+// Shared DOM and runtime setup for component tests.
 
 // Mock Response class if not already defined by jsdom/happy-dom
 class FakeResponse {}
@@ -285,7 +285,7 @@ vi.mock('browser-tabs-lock', () => {
  };
 });
 
-// Mock jest-chrome if its functionality is needed
+// Mock browser extension APIs when a test needs them.
 // Example: Mocking chrome.runtime.sendMessage
 // global.chrome = {
 // runtime: {

diff --git a/packages/dev-cli/jsconfig.json b/packages/dev-cli/jsconfig.json
@@ -16,7 +16,6 @@
  "strict": true,
  "target": "ES2020",
  "outDir": "dist",
- "types": ["jest"],
  "checkJs": true
  },
  "exclude": ["node_modules"],

diff --git a/packages/express/tsconfig.json b/packages/express/tsconfig.json
@@ -15,8 +15,7 @@
  "sourceMap": false,
  "strict": true,
  "target": "ES2020",
- "outDir": "dist",
- "types": ["jest"]
+ "outDir": "dist"
  },
  "exclude": ["node_modules"],
  "include": ["src"]

diff --git a/packages/nuxt/src/runtime/server/__tests__/clerkClient.test.ts b/packages/nuxt/src/runtime/server/__tests__/clerkClient.test.ts
@@ -1,4 +1,4 @@
-import { vi } from 'vitest';
+import { beforeEach, describe, expect, it, vi } from 'vitest';
 
 // These globals are normally injected at build time by tsup.
 (globalThis as any).PACKAGE_NAME = '@clerk/nuxt';

diff --git a/packages/nuxt/src/runtime/server/__tests__/clerkMiddleware.test.ts b/packages/nuxt/src/runtime/server/__tests__/clerkMiddleware.test.ts
@@ -1,5 +1,5 @@
 import { createApp, eventHandler, setResponseHeader, toWebHandler } from 'h3';
-import { vi } from 'vitest';
+import { describe, expect, test, vi } from 'vitest';
 
 import { clerkMiddleware } from '../clerkMiddleware';
 

diff --git a/playground/cra-js/package.json b/playground/cra-js/package.json
@@ -6,9 +6,6 @@
  "@clerk/react": "workspace:*",
  "@clerk/shared": "workspace:*",
  "@clerk/types": "workspace:*",
- "@testing-library/jest-dom": "^5.16.5",
- "@testing-library/react": "^13.4.0",
- "@testing-library/user-event": "^13.5.0",
  "react": "^18.2.0",
  "react-dom": "^18.2.0",
  "react-scripts": "5.0.1",
@@ -17,13 +14,11 @@
  "scripts": {
  "start": "react-scripts start",
  "build": "react-scripts build",
- "test": "react-scripts test",
  "eject": "react-scripts eject"
  },
  "eslintConfig": {
  "extends": [
- "react-app",
- "react-app/jest"
+ "react-app"
  ]
  },
  "browserslist": {

diff --git a/playground/cra-js/src/App.test.js b/playground/cra-js/src/App.test.js
diff --git a/playground/cra-js/src/setupTests.js b/playground/cra-js/src/setupTests.js