Redux DevTools
DevTools for Redux with actions history, undo and replay.
56,200 משתמשים
Proxy SwitchyOmega
Manage and switch between multiple proxies quickly & easily.
54,211 משתמשים
Ruffle - Flash Emulator
Putting Flash back on the web. Designed to be easy to use, this extension will seamlessly enable you to play flash content, with no extra configuration required!
50,025 משתמשים
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
49,656 משתמשים
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.
45,521 משתמשים
Allow Right-Click
Re-enable the possibility to use the context menu on sites that overrides it
42,268 משתמשים
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.
37,505 משתמשים
Stylish - Custom themes for any website
התאם אישית את מראה אתרי האינטרנט ואת ממשק המשתמש שלך.
36,547 משתמשים
WhatFont
A wrapper for Chengyin Liu's WhatFont tool
35,738 משתמשים
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.
35,555 משתמשים
RESTClient, a debugger for RESTful web services.
RESTClient has been completely rewritten for compatible with Firefox 57. Some functions are still missing (OAuth & OAuth 2.0 authentication).
34,383 משתמשים
Disable WebRTC
WebRTC leaks your actual IP addresses from behind your VPN, by default.
29,993 משתמשים
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
26,361 משתמשים
JSONView
View JSON documents in the browser.
25,917 משתמשים
User-Agent Switcher
Quickly and easily switch between popular user-agent strings.
25,745 משתמשים
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
25,465 משתמשים
SAML-tracer
A tool for viewing SAML and WS-Federation messages sent through the browser during single sign-on and single logout.
24,551 משתמשים
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.
23,403 משתמשים
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.
21,923 משתמשים
Font Finder (revived)
An easy-to-use font inspector to get CSS styles of the selected element
21,782 משתמשים
ImageAssistant Batch Image Downloader
An image extractor for sniffing, analyzing and batch downloading images from web page.
21,560 משתמשים
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.
21,327 משתמשים
Autofill
A form filler, form recovery, text snippets, and automation tool all in one.
19,789 משתמשים
SeoQuake SEO extension
Accelerate your SEO efforts on the fly. SEOquake is a free plugin for browsers that provides you with key SEO metrics for a specific page, along with other useful tools such as SEO Audit and many others.
18,598 משתמשים
Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
16,971 משתמשים