Before/after screenshot diffing — pixel-diff two states of a page into one self-contained HTML review report.
Visual diff engine for websites. Screenshot two URLs, compute pixel-level differences, get structured change reports.
GitHub Action: screenshot two URLs and post a visual diff as a PR comment. Free visual regression testing.
Add a description, image, and links to the screenshot-diff topic page so that developers can more easily learn about it.
To associate your repository with the screenshot-diff topic, visit your repo's landing page and select "manage topics."