Allow Right-Click
Re-enable the possibility to use the context menu on sites that overrides it
54 353 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.
47 309 utilisateurs
cookies.txt
Exports all cookies to a Netscape HTTP Cookie File, as used by curl, wget, and youtube-dl, among others.
35 615 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.
33 565 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
33 402 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.
32 457 utilisateurs
JavaScript-Java Bridge
A replacement for the Java Plugin so Java Applets without graphics continue to work on browsers that no longer support NPAPI plugins. Java's LiveConnect API is emulated — data & method calls can be exchanged, and Java can manipulate the webpage DOM.
27 621 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.
26 350 utilisateurs
Disable WebRTC
WebRTC leaks your actual IP addresses from behind your VPN, by default.
23 611 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
22 520 utilisateurs
Stylish - Custom themes for any website
Restylez le web avec Stylish, le gestionnaire de styles.
22 448 utilisateurs
SAML-tracer
A tool for viewing SAML and WS-Federation messages sent through the browser during single sign-on and single logout.
21 747 utilisateurs
Font Finder (revived)
An easy-to-use font inspector to get CSS styles of the selected element
18 989 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.
18 496 utilisateurs
ImageAssistant Batch Image Downloader
An image extractor for sniffing, analyzing and batch downloading images from web page.
18 396 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
17 034 utilisateurs
Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
15 850 utilisateurs
