h264ify
Makes YouTube stream H.264 videos instead of VP8/VP9 videos
25,740 users
CSFloat Market Checker
Shows the float value, paint seed, and screenshots of Counter-Strike (CS:GO & CS2) items on the Steam Market or Inventories
25,662 users
JSONView
View JSON documents in the browser.
25,389 users
Alternate Player for Twitch.tv
Alternate player of live broadcasts for Twitch.tv website.
25,365 users
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
25,284 users
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
25,132 users
S3.Translator
S3.Translator adds the power of Google Translate’s automatic translations to your browser! It supports translation of selected text, entered phrase or whole webpage between any of 100+ languages. New Feature: Language learning!
24,988 users
anonymoX
Easy anonymous web browsing. – Change your IP-Address and country – Visit blocked or censored websites. – Delete cookies, show your public ip, and more We provide the proxy servers, no external proxies or other programs required
24,964 users
Save as PDF
Lets you download web pages as PDF in one click.
24,520 users
24,517 users
PDF Mage
Save any page as PDF
24,440 users
Silk - Privacy Pass Client
Client support for Privacy Pass anonymous authorization protocol.
24,286 users
Адаптер Рутокен Плагин
Позволяет использовать Рутокен Плагин
24,204 users
PhishWall
PhishWall
24,184 users
Diccionario español México
Diccionario para México.
24,037 users
British-English Dictionary (GB)
A strict British-English spell checker dictionary for Firefox, Thunderbird and SeaMonkey. This dictionary only includes words conforming to the preferred standard of British-English spelling.
23,999 users
IE View WE
Provides ability to open pages and links by Internet Explorer (Cloned IE View based on WebExtensions-based)
23,897 users
23,640 users
Easy Video Downloader (Flash and Video)
A video and audio downloader (grabber) that works with both internal and external download managers like IDM or Wget
23,633 users
23,469 users
Don't "Accept" image/webp
This extension removes image/webp and/or image/avif from the list of formats Firefox tells sites that it accepts. That discourages many servers from replacing JPEG and PNG images with WebP/AVIF. (But some may send them anyway; they aren't blocked.)
23,411 users
BNB Chain Wallet
A Crypto Wallet for BNB Smart Chain, BNB Beacon Chain and Ethereum.
23,311 users
SAML-tracer
A tool for viewing SAML and WS-Federation messages sent through the browser during single sign-on and single logout.
23,227 users
Notes by Firefox
Displays a sidebar that lets you take notes on web pages.
23,124 users
Arabic spell-checking dictionary
Arabic spell-checking dictionary for Firefox 3 and Thunderbird 3 from Ayaspell.
22,913 users