Allow Right-Click
Re-enable the possibility to use the context menu on sites that overrides it
54 120 utilisateurs
Cookie Quick Manager
Un gestionnaire de cookies pour les visualiser, les rechercher, les éditer, les ajouter, les supprimer, les sauvegarder ou les restaurer et bien plus. Firefox 57+ est supporté.
45 809 utilisateurs
cookies.txt
Exports all cookies to a Netscape HTTP Cookie File, as used by curl, wget, and youtube-dl, among others.
36 722 utilisateurs
Nimbus Screen Capture: Screenshot, Edit, Annotate
★ Used by Several Million users on different platforms ★ 1) Screen capture web pages 2) Selected regions 3) Whole browser window 4) Slack upload Edit screenshots. Save images as local files or Google Drive. Tools for Annotation. Upload and share
31 732 utilisateurs
Disable JavaScript
Adds the ability to disable JavaScript for specific sites or specific tabs. You can customize the default JS state (on or off), the disable behavior (by domain or by tab) and much more.
31 090 utilisateurs
Selenium IDE
Selenium IDE is an integrated development environment for Selenium tests. It is implemented as a Firefox extension, and allows you to record, edit, and debug tests.
30 531 utilisateurs
WAVE Accessibility Extension
Evaluate web accessibility within the Firefox browser. When activated, the WAVE extension injects icons and indicators into your page to give feedback about accessibility and to facilitate manual evaluation.
23 743 utilisateurs
Disable WebRTC
WebRTC leaks your actual IP addresses from behind your VPN, by default.
21 727 utilisateurs
CORS Everywhere
A firefox addon allowing the user to enable CORS everywhere by altering http responses. Report issues to the repository, with enough information to reproduce the problem: https://github.com/spenibus/cors-everywhere-firefox-addon/issues
21 453 utilisateurs
Stylish - Custom themes for any website
Restylez le web avec Stylish, le gestionnaire de styles.
21 262 utilisateurs
SAML-tracer
A tool for viewing SAML and WS-Federation messages sent through the browser during single sign-on and single logout.
20 579 utilisateurs
Font Finder (revived)
An easy-to-use font inspector to get CSS styles of the selected element
18 159 utilisateurs
ImageAssistant Batch Image Downloader
An image extractor for sniffing, analyzing and batch downloading images from web page.
17 761 utilisateurs
Colorpick Eyedropper
A simple eye-dropper & color-picker tool allowing you to select color values from webpages. You will need to enable the add-on bar Firefox menu->Options->Add-on Bar OR View->Toolbars->Add-on Bar Then refresh the page.
17 092 utilisateurs
Media Converter and Muxer - Audio Tools
Easy to use video and audio converter and muxer written in WebExtension built on top of the well-known FFmpeg converter
16 004 utilisateurs
Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
15 053 utilisateurs
Xdebug Helper for Firefox
This extension is very useful for PHP developers that are using PHP tools with Xdebug support like PHPStorm, Eclipse with PDT, Netbeans and MacGDBp or any other Xdebug compatible profiling tool like KCacheGrind, WinCacheGrind or Webgrind.
13 602 utilisateurs
