Vue.js devtools
DevTools extension for debugging Vue.js applications.
57.080 brûkers
Allow Right-Click
Re-enable the possibility to use the context menu on sites that overrides it
54.283 brûkers
Cookie Quick Manager
An addon to manage cookies (view, search, create, edit, remove, backup, restore, protect from deletion and much more). Firefox 57+ is supported.
45.998 brûkers
Redux DevTools
DevTools for Redux with actions history, undo and replay.
40.906 brûkers
Bato Image Auto-Fixer
Detect broken bato.to images and automatically fix them.
37.403 brûkers
cookies.txt
Exports all cookies to a Netscape HTTP Cookie File, as used by curl, wget, and youtube-dl, among others.
36.813 brûkers
WhatFont
A wrapper for Chengyin Liu's WhatFont tool
33.707 brûkers
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
31.886 brûkers
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.
31.204 brûkers
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.
30.814 brûkers
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.
23.984 brûkers
Disable WebRTC
WebRTC leaks your actual IP addresses from behind your VPN, by default.
21.743 brûkers
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
21.605 brûkers
Stylish - Custom themes for any website
Stylish lets you customize any website with custom user styles (themes for websites). Choose from the largest userstyles library to change the color scheme, background, and skin for Google, Facebook, YouTube and many, many more sites.
21.337 brûkers
SAML-tracer
A tool for viewing SAML and WS-Federation messages sent through the browser during single sign-on and single logout.
20.829 brûkers
Font Finder (revived)
An easy-to-use font inspector to get CSS styles of the selected element
18.257 brûkers
ImageAssistant Batch Image Downloader
An image extractor for sniffing, analyzing and batch downloading images from web page.
18.140 brûkers
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.
17.161 brûkers
JSONView
View JSON documents in the browser.
16.927 brûkers
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
16.045 brûkers
Export Cookies
Export cookies to a Netscape format cookies.txt file.
15.664 brûkers
Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
15.131 brûkers
User-Agent Switcher
Quickly and easily switch between popular user-agent strings.
14.564 brûkers
Поиск Яндекс
Добавляет Яндекс к поисковым движкам.
13.883 brûkers
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.
13.679 brûkers