Redux DevTools
DevTools for Redux with actions history, undo and replay.
56 200 пользователей
Proxy SwitchyOmega
Manage and switch between multiple proxies quickly & easily.
54 211 пользователей
Ruffle
Возвращает Flash в веб на свое место.
50 025 пользователей
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 пользователей
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 пользователь
Allow Right-Click
Re-enable the possibility to use the context menu on sites that overrides it
42 268 пользователей
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 пользователей
Stylish - Custom themes for any website
Преобрази интернет вместе со Stylish - менеджером пользовательских стилей.
36 547 пользователей
WhatFont
A wrapper for Chengyin Liu's WhatFont tool
35 738 пользователей
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 пользователей
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 пользователя
Disable WebRTC
WebRTC leaks your actual IP addresses from behind your VPN, by default.
29 993 пользователя
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 пользователь
JSONView
Просмотр документов в формате JSON прямо в браузере.
25 917 пользователей
User-Agent Switcher
Quickly and easily switch between popular user-agent strings.
25 745 пользователей
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 пользователей
SAML-tracer
A tool for viewing SAML and WS-Federation messages sent through the browser during single sign-on and single logout.
24 551 пользователь
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 пользователя
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 пользователя
Font Finder (revived)
An easy-to-use font inspector to get CSS styles of the selected element
21 782 пользователя
ImageAssistant Batch Image Downloader
An image extractor for sniffing, analyzing and batch downloading images from web page.
21 560 пользователей
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 пользователей
Autofill
A form filler, form recovery, text snippets, and automation tool all in one.
19 789 пользователей
SeoQuake
SEOquake представляет собой бесплатный плагин для браузеров, который позволяет просматривать ключевые SEO-показатели любой страницы, а также предлагает другие полезные инструменты, в том числе для проведения SEO-аудита.
18 598 пользователей
Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
16 971 пользователь