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

RECOMMENDED

Stylus

Customise the look of any web site. Shift colours, page backgrounds & more.
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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Extension Starter Pack
Extension Starter Pack
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Productivity extensions
Productivity extensions
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Privacy & Security
Privacy & Security
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Tab managers
  • Tab Stash

    Tab Stash

    Easily save and organize batches of tabs as bookmarks. Clear your tabs, clear your mind. Only for Firefox.

    47,986 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

    76,751 users

  • Auto Tab Discard

    Auto Tab Discard

    Increase browser speed and reduce memory load and when you have numerous open tabs.

    83,504 users

  • OneTab

    OneTab

    Save up to 95% memory and reduce tab clutter

    164,065 users

Social media extensions
  • Return YouTube Dislike

    Return YouTube Dislike

    Returns ability to see dislike statistics on youtube

    934,839 users

  • BetterTTV

    BetterTTV

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

    493,009 users

  • Control Panel for Twitter

    Control Panel for Twitter

    Gives you more control over Twitter and adds missing features and UI improvements

    47,875 users

  • YouTube Search Fixer

    YouTube Search Fixer

    Remove ALL distracting search results, redirect shorts back to legacy page and try little visual changes suited for low resolution screens.

    33,747 users

Accessibility extensions
  • Dark Reader

    Dark Reader

    Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.

    1,307,690 users

  • Read Aloud: A Text to Speech Voice Reader

    Read Aloud: A Text to Speech Voice Reader

    Read out loud the current web-page article with one click. Supports 40+ languages.

    216,684 users

  • Dark Mode

    Dark Mode

    Dark theme and night shift mode for every website. Care your eyes, use Dark Mode for night and daily web browsing.

    48,476 users

  • Sidebery

    Sidebery

    Vertical tabs tree and bookmarks in sidebar with advanced containers configuration, grouping and many other features.

    57,467 users

“privacy” tagged extensions
  • uBlock Origin

    uBlock Origin

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

    10,609,923 users

  • Privacy Badger

    Privacy Badger

    Automatically learns to block hidden trackers. Made by the leading digital rights nonprofit EFF to stop companies from spying on you.

    1,891,784 users

  • AdGuard AdBlocker

    AdGuard AdBlocker

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

    1,657,478 users

  • DuckDuckGo Search & Tracker Protection

    DuckDuckGo Search & Tracker Protection

    Actively protects your data in your current browser

    1,168,568 users