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

RECOMMENDED

Tranquility Reader

Read with more clarity and ease. Remove the clutter around text on web pages.
Get the extension

Extensions are like apps for Firefox.

They add features to Firefox to make browsing faster, safer, or just plain fun.
See all extensions
Control Panel for Twitter (Developer Spotlight)
Control Panel for Twitter (Developer Spotlight)
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Privacy & Security extensions
Privacy & Security extensions
See staff picks
Social media enhancers
Social media enhancers
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Elite ad blockers
  • uBlock Origin

    uBlock Origin

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

    7,805,074 users

  • AdBlock for Firefox

    AdBlock for Firefox

    The most popular ad blocker for Chrome and Safari, now available for Firefox! Block all advertisements on all web pages, even Facebook, Youtube, and Hulu. Browse faster, too! Most ads aren't even downloaded at all, saving you time and bandwidth.

    1,176,444 users

  • AdGuard AdBlocker

    AdGuard AdBlocker

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

    1,046,829 users

  • AdBlocker for YouTube™

    AdBlocker for YouTube™

    Remove all annoying ads from YouTube.

    455,961 users

Steam enhancers
  • SteamDB

    SteamDB

    Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.

    49,867 users

  • Augmented Steam

    Augmented Steam

    Augments your Steam Experience

    52,895 users

  • Steam URL Opener

    Steam URL Opener

    Allows you to open URLs inside Steam Client to save the hassle of logging in normal browser (with a single click on a button).

    4,591 users

  • ProtonDB for Steam

    ProtonDB for Steam

    Shows ratings from protondb.com on Steam

    3,056 users

YouTube customization
  • AdBlocker for YouTube™

    AdBlocker for YouTube™

    Remove all annoying ads from YouTube.

    455,961 users

  • Enhancer for YouTube™

    Enhancer for YouTube™

    Take control of YouTube and boost your user experience!

    559,341 users

  • SponsorBlock - Skip Sponsorships on YouTube

    SponsorBlock - Skip Sponsorships on YouTube

    Easily skip YouTube video sponsors. When you visit a YouTube video, the extension will check the database for reported sponsors and automatically skip known sponsors. You can also report sponsors in videos. Other browsers: https://sponsor.ajay.app

    432,639 users

  • YouTube NonStop

    YouTube NonStop

    Tired of getting that "Video paused. Continue watching?" confirmation dialog? This extension autoclicks it, so you can listen to your favorite music uninterrupted. Working on YouTube and YouTube Music!

    129,726 users

“chat” tagged extensions
  • BetterTTV

    BetterTTV

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

    450,563 users

  • 划词翻译

    划词翻译

    一站式划词 / 截图 / 网页全文 / 音视频翻译扩展,支持谷歌、DeepL、ChatGPT、百度等 9 个国内外主流翻译服务,均可用于全文翻译。能在 PDF 里使用。支持辅助键、快捷键、悬浮取词。

    59,494 users

  • Gmail™ Notifier (restartless)

    Gmail™ Notifier (restartless)

    Multiple account (or label) Gmail notifier (without storing passwords)

    26,595 users

  • Privacy Extension For WhatsApp™ Web

    Privacy Extension For WhatsApp™ Web

    The Privacy Extension For WhatsApp™ Web hides your messages from unwanted glimpses until you hover over them. In the search bar, you can disable the blur effect on all messages manually and specify what elements to blur.

    20,344 users