User-Agent Switcher
Quickly and easily switch between popular user-agent strings.
26,710 users
h264ify
Makes YouTube stream H.264 videos instead of VP8/VP9 videos
26,433 users
CanvasBlocker
Alters some JS APIs to prevent fingerprinting.
26,332 users
26,108 users
Arabic spell-checking dictionary
Arabic spell-checking dictionary for Firefox 3 and Thunderbird 3 from Ayaspell.
26,030 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
26,015 users
Diccionario español México
Diccionario para México.
25,895 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
25,883 users
Save as PDF
Lets you download web pages as PDF in one click.
25,841 users
PopUpOFF
Removes and prevents popups, overlays and cookie notifications, other tools do not. Enjoy the original look of the internet.
25,766 users
PDF Mage
Save any page as PDF
25,704 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!
25,692 users
Alternate Player for Twitch.tv
Alternate player of live broadcasts for Twitch.tv website.
25,523 users
IE View WE
Provides ability to open pages and links by Internet Explorer (Cloned IE View based on WebExtensions-based)
25,343 users
SAML-tracer
A tool for viewing SAML and WS-Federation messages sent through the browser during single sign-on and single logout.
25,207 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.
25,194 users
24,837 users
Silk - Privacy Pass Client
Client support for Privacy Pass anonymous authorization protocol.
24,837 users
24,668 users
PhishWall
PhishWall
24,634 users
Passbolt - Open source password manager for teams
Passbolt is an open source password manager designed for collaboration. Securely create, manage and monitor your passwords. Share them instantly with your team.
24,617 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
24,481 users
SellerSprite - The Most Professional Amazon Tool
An integrating software that helps Amazon sellers find products, optimize keywords, do keyword&product research, spy on competitors, etc.
24,105 users
Notes by Firefox
Displays a sidebar that lets you take notes on web pages.
24,039 users
BNB Chain Wallet
A Crypto Wallet for BNB Smart Chain, BNB Beacon Chain and Ethereum.
23,986 users