Dark Reader
Chế độ tối cho mọi trang web. Chăm sóc đôi mắt của bạn, sử dụng chủ đề tối cho trình duyệt ban đêm và hàng ngày.
1.155.921 người dùng
Ghostery – Privacy Ad Blocker
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
1.024.657 người dùng
FoxyProxy Standard
FoxyProxy is an open-source, advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. No paid accounts are necessary; bring your own proxies or buy from any vendor. The original proxy tool, since 2006.
208.439 người dùng
Stylus
Redesign your favorite websites with Stylus, an actively developed and community driven userstyles manager. Easily install custom themes from popular online repositories, or create, edit, and manage your own personalized CSS stylesheets.
109.458 người dùng
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
698.603 người dùng
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
147.023 người dùng
User-Agent Switcher
Easily override the browser's User-Agent string
64.742 người dùng
Cookie-Editor
Cookie-Editor lets you efficiently create, edit and delete a cookie for the current tab. Perfect for developing, quickly testing or even manually managing your cookies for your privacy.
63.541 người dùng
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.
62.330 người dùng
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!
50.072 người dùng
Allow Right-Click
Re-enable the possibility to use the context menu on sites that overrides it
41.448 người dùng
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.
36.433 người dùng
WhatFont
A wrapper for Chengyin Liu's WhatFont tool
34.292 người dùng
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).
32.654 người dùng
Disable WebRTC
WebRTC leaks your actual IP addresses from behind your VPN, by default.
29.125 người dùng
cookies.txt
Exports all cookies to a Netscape HTTP Cookie File, as used by curl, wget, and youtube-dl, among others.
16.224 người dùng
Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
16.136 người dùng
RESTED
A REST client for the rest of us
15.189 người dùng
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
14.431 người dùng
JSON Lite
Fast JSON viewer - highlights, shows items count/size, handles large files
14.342 người dùng
My IP Hider VPN
My IP Hider VPN is number one tool for hiding your IP and unblocking any web site! If your Firefox version is less then 55 please install older My IP Hider VPN from "Version History" (https://goo.gl/7ZQQjZ)
14.143 người dùng
Empty Cache Button
Cache clearing made easy. One click.
12.911 người dùng
Fake Filler
A form filler that fills all form inputs (textboxes, textareas, radio buttons, dropdowns, etc.) with fake and randomly generated data. The purpose of this extension is to help developers and testers test forms quickly and easily.
11.468 người dùng
Emoji Cheatsheet
A reference for the codes to generate Emojis on popular sites like GitHub or Basecamp and Unicode characters for Twitter and Facebook. Search Emojis by name or view recently selected items. Emojis are automatically copied to the clipboard.
10.988 người dùng
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
10.942 người dùng