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calibre

calibre is an e-book manager. It can view, convert, edit and catalog e-books in all of the major e-book formats. It can also talk to e-book reader devices. It can go out to the internet and fetch metadata for your books. It can download newspapers and convert them into e-books for convenient reading. It is cross platform, running on Linux, Windows and macOS.

For more information, see the calibre About page.

Build Status

Screenshots

Screenshots page

Usage

See the User Manual.

Development

Setting up a development environment for calibre.

A tarball of the source code for the current calibre release.

Bugs

Bug reports and feature requests should be made in the calibre bug tracker at Launchpad. GitHub is only used for code hosting and pull requests.

Support calibre

calibre is a result of the efforts of many volunteers from all over the world. If you find it useful, please consider contributing to support its development. Donate to support calibre development.

Building calibre binaries

See Build instructions for instructions on how to build the calibre binaries and installers for all the platforms calibre supports.

calibre package versions in various repositories

Packaging Status

About

The official source code repository for the calibre ebook manager

calibre-ebook.com

Resources

Readme
License

Security policy

Security policy
Activity

Stars

0 stars

Watchers

0 watching

Forks

0 forks
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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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BranchesTags
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calibre
calibre is an e-book manager. It can view, convert, edit and catalog e-books
in all of the major e-book formats. It can also talk to e-book reader
devices. It can go out to the internet and fetch metadata for your books.
It can download newspapers and convert them into e-books for convenient
reading. It is cross platform, running on Linux, Windows and macOS.
For more information, see the calibre About page.
Build Status
Screenshots
Screenshots page
Usage
See the User Manual.
Development
Setting up a development environment for calibre.
A tarball of the source code for the
current calibre release.
Bugs
Bug reports and feature requests should be made in the calibre bug tracker at Launchpad.
GitHub is only used for code hosting and pull requests.
Support calibre
calibre is a result of the efforts of many volunteers from all over the world.
If you find it useful, please consider contributing to support its development.
Donate to support calibre development.
Building calibre binaries
See Build instructions for instructions on how to build the
calibre binaries and installers for all the platforms calibre supports.
calibre package versions in various repositories
Packaging Status
About
The official source code repository for the calibre ebook manager
calibre-ebook.com
Resources
Readme
License
Security policy
Security policy
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
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Packages
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
calibre
calibre is an e-book manager. It can view, convert, edit and catalog e-books
in all of the major e-book formats. It can also talk to e-book reader
devices. It can go out to the internet and fetch metadata for your books.
It can download newspapers and convert them into e-books for convenient
reading. It is cross platform, running on Linux, Windows and macOS.
For more information, see the calibre About page.
Build Status
Screenshots
Screenshots page
Usage
See the User Manual.
Development
Setting up a development environment for calibre.
A tarball of the source code for the
current calibre release.
Bugs
Bug reports and feature requests should be made in the calibre bug tracker at Launchpad.
GitHub is only used for code hosting and pull requests.
Support calibre
calibre is a result of the efforts of many volunteers from all over the world.
If you find it useful, please consider contributing to support its development.
Donate to support calibre development.
Building calibre binaries
See Build instructions for instructions on how to build the
calibre binaries and installers for all the platforms calibre supports.
calibre package versions in various repositories
Packaging Status
About
The official source code repository for the calibre ebook manager
calibre-ebook.com
Resources
Readme
License
Security policy
Security policy
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
calibre
calibre is an e-book manager. It can view, convert, edit and catalog e-books
in all of the major e-book formats. It can also talk to e-book reader
devices. It can go out to the internet and fetch metadata for your books.
It can download newspapers and convert them into e-books for convenient
reading. It is cross platform, running on Linux, Windows and macOS.
For more information, see the calibre About page.
Build Status
Screenshots
Screenshots page
Usage
See the User Manual.
Development
Setting up a development environment for calibre.
A tarball of the source code for the
current calibre release.
Bugs
Bug reports and feature requests should be made in the calibre bug tracker at Launchpad.
GitHub is only used for code hosting and pull requests.
Support calibre
calibre is a result of the efforts of many volunteers from all over the world.
If you find it useful, please consider contributing to support its development.
Donate to support calibre development.
Building calibre binaries
See Build instructions for instructions on how to build the
calibre binaries and installers for all the platforms calibre supports.
calibre package versions in various repositories
Packaging Status
About
The official source code repository for the calibre ebook manager
calibre-ebook.com
Resources
Readme
License
Security policy
Security policy
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
BranchesTags
Repository files navigation
calibre
calibre is an e-book manager. It can view, convert, edit and catalog e-books
in all of the major e-book formats. It can also talk to e-book reader
devices. It can go out to the internet and fetch metadata for your books.
It can download newspapers and convert them into e-books for convenient
reading. It is cross platform, running on Linux, Windows and macOS.
For more information, see the calibre About page.
Build Status
Screenshots
Screenshots page
Usage
See the User Manual.
Development
Setting up a development environment for calibre.
A tarball of the source code for the
current calibre release.
Bugs
Bug reports and feature requests should be made in the calibre bug tracker at Launchpad.
GitHub is only used for code hosting and pull requests.
Support calibre
calibre is a result of the efforts of many volunteers from all over the world.
If you find it useful, please consider contributing to support its development.
Donate to support calibre development.
Building calibre binaries
See Build instructions for instructions on how to build the
calibre binaries and installers for all the platforms calibre supports.
calibre package versions in various repositories
Packaging Status
About
The official source code repository for the calibre ebook manager
calibre-ebook.com
Resources
Readme
License
Security policy
Security policy
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
calibre
calibre is an e-book manager. It can view, convert, edit and catalog e-books
in all of the major e-book formats. It can also talk to e-book reader
devices. It can go out to the internet and fetch metadata for your books.
It can download newspapers and convert them into e-books for convenient
reading. It is cross platform, running on Linux, Windows and macOS.
For more information, see the calibre About page.
Build Status
Screenshots
Screenshots page
Usage
See the User Manual.
Development
Setting up a development environment for calibre.
A tarball of the source code for the
current calibre release.
Bugs
Bug reports and feature requests should be made in the calibre bug tracker at Launchpad.
GitHub is only used for code hosting and pull requests.
Support calibre
calibre is a result of the efforts of many volunteers from all over the world.
If you find it useful, please consider contributing to support its development.
Donate to support calibre development.
Building calibre binaries
See Build instructions for instructions on how to build the
calibre binaries and installers for all the platforms calibre supports.
calibre package versions in various repositories
Packaging Status
About
The official source code repository for the calibre ebook manager
calibre-ebook.com
Resources
Readme
License
Security policy
Security policy
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
calibre
calibre is an e-book manager. It can view, convert, edit and catalog e-books
in all of the major e-book formats. It can also talk to e-book reader
devices. It can go out to the internet and fetch metadata for your books.
It can download newspapers and convert them into e-books for convenient
reading. It is cross platform, running on Linux, Windows and macOS.
For more information, see the calibre About page.
Build Status
Screenshots
Screenshots page
Usage
See the User Manual.
Development
Setting up a development environment for calibre.
A tarball of the source code for the
current calibre release.
Bugs
Bug reports and feature requests should be made in the calibre bug tracker at Launchpad.
GitHub is only used for code hosting and pull requests.
Support calibre
calibre is a result of the efforts of many volunteers from all over the world.
If you find it useful, please consider contributing to support its development.
Donate to support calibre development.
Building calibre binaries
See Build instructions for instructions on how to build the
calibre binaries and installers for all the platforms calibre supports.
calibre package versions in various repositories
Packaging Status
About
The official source code repository for the calibre ebook manager
calibre-ebook.com
Resources
Readme
License
Security policy
Security policy
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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BranchesTags
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calibre
calibre is an e-book manager. It can view, convert, edit and catalog e-books
in all of the major e-book formats. It can also talk to e-book reader
devices. It can go out to the internet and fetch metadata for your books.
It can download newspapers and convert them into e-books for convenient
reading. It is cross platform, running on Linux, Windows and macOS.
For more information, see the calibre About page.
Build Status
Screenshots
Screenshots page
Usage
See the User Manual.
Development
Setting up a development environment for calibre.
A tarball of the source code for the
current calibre release.
Bugs
Bug reports and feature requests should be made in the calibre bug tracker at Launchpad.
GitHub is only used for code hosting and pull requests.
Support calibre
calibre is a result of the efforts of many volunteers from all over the world.
If you find it useful, please consider contributing to support its development.
Donate to support calibre development.
Building calibre binaries
See Build instructions for instructions on how to build the
calibre binaries and installers for all the platforms calibre supports.
calibre package versions in various repositories
Packaging Status
About
The official source code repository for the calibre ebook manager
calibre-ebook.com
Resources
Readme
License
Security policy
Security policy
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages