To use these add-ons, you'll need to download Firefox.

RECOMMENDED

Tab Session Manager

Save and restore tabs. Includes auto-save and cloud sync features.
Get the extension

Extensions are like apps for Firefox.

They add features to Firefox to make browsing faster, safer, or just plain fun.
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Productivity tools
Productivity tools
See staff picks
YouTube customization
YouTube customization
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Privacy & Security extensions
Privacy & Security extensions
See staff picks
Top rated themes
Tab managers
  • Tree Style Tab

    Tree Style Tab

    Show tabs like a tree.

    222,737 users

  • Tabby - Window & Tab Manager

    Tabby - Window & Tab Manager

    Tabby helps you manage a lot of windows and tabs easily; it can help you open, close, move, pin, and do many other things on tabs and windows quickly. With Tabby, you can even save all you windows and tabs for later with just one click!

    10,018 users

  • Simple Tab Groups

    Simple Tab Groups

    Create, modify, and quickly change tab groups

    102,105 users

  • OneTab

    OneTab

    OneTab - Too many tabs? Convert tabs to a list and reduce browser memory

    170,137 users

Twitch extensions
  • BetterTTV

    BetterTTV

    Enhances Twitch and YouTube with new features, emotes, and more.

    467,293 users

  • Alternate Player for Twitch.tv

    Alternate Player for Twitch.tv

    Alternate player of live broadcasts for <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/05d29d585236bab4d25a715364ff0a5b5243556af4f39e4425fb82c9f8ca27a3/https%3A//www.twitch.tv/" rel="nofollow">Twitch.tv</a> website.

    33,666 users

  • Twitch Chat pronouns

    Twitch Chat pronouns

    Add Pronouns to Twitch Chat

    15,979 users

  • Unwanted Twitch

    Unwanted Twitch

    Hide unwanted streams, games, categories, channels and tags on: <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/467fe07ac13c13856de8dd6315fd58ddc3356ad980bae2d20314f29ad039768e/http%3A//twitch.tv" rel="nofollow">twitch.tv</a>

    5,716 users

“container” tagged extensions
  • Simple Tab Groups

    Simple Tab Groups

    Create, modify, and quickly change tab groups

    102,105 users

  • FoxyTab

    FoxyTab

    Collection of Tab Related Actions e.g. Duplicate, Close Duplicates, Close to the Left, Copy Title, Merge Windows, Save as PDF, Copy Urls Tab/All/Left/Right, Host keep/close/close other, Sort by URL/Title, Asce/Desc, Move, Reload, Reload Timer

    22,187 users

  • Facebook Container

    Facebook Container

    Prevent Facebook from tracking you around the web. The Facebook Container extension for Firefox helps you take control and isolate your web activity from Facebook.

    1,083,077 users

  • Firefox Multi-Account Containers

    Firefox Multi-Account Containers

    Firefox Multi-Account Containers lets you keep parts of your online life separated into color-coded tabs. Cookies are separated by container, allowing you to use the web with multiple accounts and integrate Mozilla VPN for an extra layer of privacy.

    393,054 users