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

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FoxClocks

Display current worldwide times in Firefox's status bar.
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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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Port Authority (Developer Spotlight)
Port Authority (Developer Spotlight)
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Privacy & Security extensions
Privacy & Security extensions
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Fantastic tab managers
Fantastic tab managers
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Elite ad blockers
  • uBlock Origin

    uBlock Origin

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

    7,879,478 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.

    1,211,877 users

  • AdGuard AdBlocker

    AdGuard AdBlocker

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

    1,072,358 users

  • AdBlocker for YouTube™

    AdBlocker for YouTube™

    Remove all annoying ads from YouTube.

    474,511 users

YouTube customization
  • AdBlocker for YouTube™

    AdBlocker for YouTube™

    Remove all annoying ads from YouTube.

    474,511 users

  • Enhancer for YouTube™

    Enhancer for YouTube™

    Take control of YouTube and boost your user experience!

    575,290 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

    445,247 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!

    131,330 users

Translation tools
  • To Google Translate

    To Google Translate

    Right-click a section of text and click the Translate icon next to it to text translate or listen to it in your language.

    1,019,779 users

  • TWP - Translate Web Pages

    TWP - Translate Web Pages

    Translate your page in real time using Google or Yandex. It is not necessary to open new tabs. Now works with the NoScript Extension.

    673,624 users

  • Simple Translate

    Simple Translate

    Quickly translate selected or typed text on web pages. Supports Google Translate and DeepL API.

    320,247 users

  • ImTranslator: Translator, Dictionary, TTS

    ImTranslator: Translator, Dictionary, TTS

    COMPLETELY REDESIGNED TRANSLATOR FOR FIREFOX ImTranslator translates text, words, webpages between more than 100 languages. NEW: Inline Translator, Dictionary, access to Google Translate, Microsoft Translator. Unique on the fly localization.

    134,284 users

“download” tagged extensions
  • Video DownloadHelper

    Video DownloadHelper

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

    1,947,673 users

  • Easy Youtube Video Downloader Express

    Easy Youtube Video Downloader Express

    A simple extension for superfast and easy YouTube downloads in FLV, 3GP, MP3, MP4, 720p, and 1080p formats.

    577,926 users

  • Download All Images

    Download All Images

    Easily save images with a wide range of customization features, such as file size, dimensions, and image type.

    89,713 users

  • Turbo Download Manager

    Turbo Download Manager

    A download manager with the ability to pause and resume downloads, download remote files, and more.

    64,323 users