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BY FIREFOX

Firefox Relay

Mask your email to protect your identity & prevent junk mail. New updates make Firefox Relay even easier to use.
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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
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YouTube customisation
YouTube customisation
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Privacy & Security extensions
Privacy & Security extensions
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Recommended extensions
  • Video DownloadHelper

    Video DownloadHelper

    Download videos from the web. Easy, smart, no tracking.

    mig

    1,921,723 users

  • Tomato Clock

    Tomato Clock

    Tomato Clock is a simple browser extension that helps with online time management.

    Samuel Jun

    35,010 users

  • Tab Reloader (page auto refresh)

    Tab Reloader (page auto refresh)

    An easy-to-use tab reloader with custom reloading time settings for individual tabs

    James Fray

    81,770 users

  • Adaptive Tab Bar Colour

    Adaptive Tab Bar Colour

    Changes the colour of Firefox theme to match the website’s appearance.

    Eason

    32,267 users

Top rated themes
Tab managers
  • 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!

    BillK

    20,635 users

  • Tree Style Tab

    Tree Style Tab

    Show tabs like a tree.

    Piro (piro_or)

    219,438 users

  • Simple Tab Groups

    Simple Tab Groups

    Create, modify, and quickly change tab groups

    Drive4ik

    102,033 users

  • OneTab

    OneTab

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

    OneTab Team

    171,246 users

Popular extensions
  • uBlock Origin

    uBlock Origin

    Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.

    Raymond Hill

    9,580,912 users

  • Video DownloadHelper

    Video DownloadHelper

    Download videos from the web. Easy, smart, no tracking.

    mig

    1,921,723 users

  • Privacy Badger

    Privacy Badger

    Automatically learns to block invisible trackers.

    EFF Technologists

    1,874,022 users

  • AdGuard AdBlocker

    AdGuard AdBlocker

    Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.

    Adguard Software Ltd

    1,398,503 users

Recommended themes
Twitch extensions
  • BetterTTV

    BetterTTV

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

    NightDev

    488,283 users

  • Alternate Player for Twitch.tv

    Alternate Player for Twitch.tv

    Alternate player of live broadcasts for Twitch.tv website.

    Alexander Choporov (CoolCmd)

    35,873 users

  • Twitch Chat pronouns

    Twitch Chat pronouns

    Add Pronouns to Twitch Chat

    Alejo Pereyra

    16,015 users

  • Unwanted Twitch

    Unwanted Twitch

    Hide unwanted streams, games, categories, channels and tags on: twitch.tv

    kwaschny.net

    5,810 users

“anti tracker” tagged extensions
  • uBlock Origin

    uBlock Origin

    Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.

    Raymond Hill

    9,580,912 users

  • Privacy Badger

    Privacy Badger

    Automatically learns to block invisible trackers.

    EFF Technologists

    1,874,022 users

  • AdGuard AdBlocker

    AdGuard AdBlocker

    Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.

    Adguard Software Ltd

    1,398,503 users

  • DuckDuckGo Privacy Essentials

    DuckDuckGo Privacy Essentials

    Privacy, simplified. Our add-on provides the privacy essentials you need to seamlessly take control of your personal information, no matter where the Internet takes you: tracker blocking, smarter encryption, DuckDuckGo private search and more.

    DuckDuckGo

    1,377,534 users

Change the way Firefox looks with themes.

Change the way Firefox looks with themes.