Browse 2,058 Mozilla Firefox Plugins, Add-ons and extension on AlternativeTo including popular Mozilla Firefox options.
Save articles. Read offline. Search later. Read-it-later extension with automatic local backup for Chrome, Edge and Firefox. No account, no server.
InTouchApp - CRM for WhatsApp helps Marketing, Sales and Support teams to reach their customers like never before, allows saving all unknown numbers from WhatsApp chats and groups to phone instantly.
United States
ValueSort is a free browser extension that automatically sorts supermarket products by price per unit.
United Kingdom
MindMarks helps users organize, search, and reuse ChatGPT, Claude, and Gemini conversations with folders, prompt tools, exports, and structured navigation for long-term AI productivity.
A browser extension for play.autodarts.io that lets you build and run structured training sessions. Define an ordered list of games across any variant, and the extension creates each private lobby automatically — you just click Start game.
Germany
EU
This is a simple Firefox WebExtension that allows you to automatically switch between your themes based on the current time.
Omnibug is a plugin for the Google Chrome and Mozilla Firefox browsers to ease developing and debugging web metrics implementations. Each outgoing request (sent by the browser) is checked for a pattern; if a match occurs, the URL is displayed and decoded to show the details of...
United States
uBlock Origin Lite
StudioEditor is a free, browser-based audio workspace for recording multiple inputs and online participants, editing on a multitrack timeline, saving projects, creating artwork and exporting at platform-ready loudness.
FinlandEU
Add context to your analytics. The Signal Flare chrome extension puts shared notes into all of your charts in Google Analytics and Search Console.
Blocks bad websites and prevents phishing without tracking your browsing activity.
New Zealand
If you go to a video on YouTube while not logged in, this extension enables you to get past the warning, and straight to the video. Perfect for watching NSFW YouTube content anonymously.
Organize your tabs into workspaces. Switch between workspaces to change which tabs are displayed at the moment.
Cuba
Sends news stories, blogs, and web articles to e-readers by converting pages into ad-free e-book formats, enabling offline reading and Kindle note features.
SwedenEU
Free browser extension that replaces the built-in image viewer with zoom, pan and rotate, shows thumbnails at full size on hover, and opens full-size originals on hundreds of sites.
CroatiaEU
Chrome and Firefox extension to make Notion more productive and less distractive. Add 20+ customizations to Notion like sticky outline, small text & full width by default,scroll to top button, hide slash command menu, and more.
India
Re-enable the possibility to use the context menu, copy, paste, and text selection on sites that prevent them.
Word Counter extension/add-on aims to provide an instants text stats for letters/words of any web page you visit via clean and intuitive interface and with just One-Click. Word Counter might be useful for writers, bloggers, website designers, and also for language learning.
Flutin is an online live streaming platform that offers ultimate streaming features like split screen live streaming, customization, sub account creation, and much more.
India
OBS Studio
tidytube is an open-source web extension which allows you to remove parts of Youtube's UI. Users are able to remove elements from the search page, homepage as well as blocking shorts from playing. Some parts of the extension will not work in all languages at the moment.
The Unstream apps detect what's playing in Spotify, Apple Music or any music player in your browser, and shows the best ways to support that artist, right in your menu bar. Save artists you want to support later and get alerts when they release new music.
United States
Spotifyand
Nigeria
