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

RECOMMENDED

EPUBReader

Read ePUB files right in Firefox—increase font size, page dimensions & 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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Anti-tracking extensions
Anti-tracking extensions
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Essential add-ons
Essential add-ons
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Steam extensions
Steam extensions
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Tab managers
  • Tab Session Manager

    Tab Session Manager

    Save and restore the state of windows and tabs. It also supports automatic saving and cloud sync.

    144,775 users

  • Tree Style Tab

    Tree Style Tab

    Show tabs like a tree.

    188,758 users

  • OneTab

    OneTab

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

    160,419 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

    78,324 users

Social media extensions
  • Return YouTube Dislike

    Return YouTube Dislike

    Returns ability to see dislike statistics on youtube

    871,930 users

  • BetterTTV

    BetterTTV

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

    474,346 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.

    952,680 users

  • Augmented Steam

    Augmented Steam

    Augments your Steam Experience

    60,227 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.

    1,205,672 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.

    193,568 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.

    38,673 users

  • Sidebery

    Sidebery

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

    64,239 users

“roblox” tagged extensions
  • BTRoblox - Making Roblox Better

    BTRoblox - Making Roblox Better

    BTRoblox, or Better Roblox, is an extension that aims to enhance Roblox's website by modifying the look and adding to the core website functionality by adding a plethora of new features.

    66,239 users

  • RoGold - Level Up Roblox

    RoGold - Level Up Roblox

    Your new and improved Roblox experience

    10,630 users

  • RoSeal - Augmented Roblox Experience

    RoSeal - Augmented Roblox Experience

    Improve your Roblox website experience, seals included!

    3,609 users

  • AutoClicker: Automatic Tap

    AutoClicker: Automatic Tap

    AutoClicker is designed to automate repetitive clicking tasks. Perfect for testers, developers, avid gamers, and regular users, AutoClicker is your go-to tool for automated clicks. Best autoclicker for games like Roblox & Minecraft for PC.

    3,606 users