cors-anywhere. CORS Anywhere is a NodeJS reverse proxy which adds CORS headers to the proxied request.
9.4kcrxviewer. Add-on / web app to view the source code of Chrome / Firefox / Opera 15 extensions and zip files.
1.7kdont-track-me-google. Firefox and Chrome extensions to prevent Google from making links ugly.
586cookie-manager. Cookie Manager for Firefox (Desktop/Android), Chrome. Supports viewing and editing of cookies and private cookies.
130extension-dev-tools. Tools to ease development and deployment of browser extensions
121firefox-android-backup-restore. Create and restore a backup of the full Android app data, fully offline.
117display-anchors. Display #Anchors offers an easy way to see all (invisible) anchors in a page, to make it easier to link to a specific part of a webpage.
110node-xvfb. JavaScript
103chrome-api. Polyfills, libraries and patches to aid Chrome extension developers.
97open-in-browser. A browser extension that offers the ability to open files directly in the browser instead of downloading them.
95Chrome-Extension-Reloader. Adds a button which reloads a selected Google Chrome extension on click.
74proxy-from-env. A Node.js library to get the proxy URL for a given URL based on standard environment variables (http_proxy, no_proxy, ...).
71https-by-default. Use HTTPS by default for navigations from the location bar in Chrome / Firefox.
65canvas-interceptor. A tool to automatically create test cases to aid <canvas> debugging
51stackexchange-notifications. Realtime desktop notifications for Stack Exchange sites.
45zipinfo.js. Minimalistic JavaScript library to list all files in a zip file
36grab-to-pan.js. A slim library to pan scrollable containers on grab with the mouse.
34fritzbox-extcap-wireshark. Wireshark extcap plugin to capture network traffic from FRITZ!Box routers
34bookmark-container-tab. Firefox add-on to add "Open in Container Tab" menu item to bookmark menus
30enablelegacy-firefox-addons. Tutorial to re-enable legacy add-ons in Firefox Quantum (Firefox 57+) by making the extensions.legacy.enabled preference functional again (even on non-beta/dev versions of Firefox). Do not use this unless absolutely necessary.
30browser-action-jplib. Jetpack module to add a Browser action badge to the toolbar, using the chrome.browserAction syntax from Chromium
21toolbarwidget-jplib. Jetpack module to place widgets from the Firefox Add-on SDK on any toolbar
14pdfjs-telemetry. Source code of pdfjs.robwu.nl - nginx backend to collect usage statistics in a privacy-friendly way.
11unpackjs. Reverse browserify: unpackjs is a tool to split a single file in multiple files
10webextanal. WebExtensions Analysis tools
8testing-chrome.webstore.install. Sample code for testing chrome.webstore.install without dialogs.
7pdf.js. PDF Reader in JavaScript
7fosdem-2024-ext. JavaScript
5dont-slack-redir. Prevents Slack from replacing external links with "slack-redir.net"
5web-ext. A command line tool to help build, run, and test web extensions
4scrcpy. Display and control your Android device
2webextensions-examples. Example Firefox add-ons created using the WebExtensions API
2syntastic. Syntax checking hacks for vim
2stylelint. A mighty CSS linter that helps you avoid errors and enforce conventions.
1addons-frontend. Front-end to complement mozilla/addons-server
1firefox-android. Fork of https://github.com/mozilla-mobile/firefox-android
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