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RECOMMENDED

OneTab

Convert all your open tabs into a list to easily manage them and speed up Firefox.
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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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Extension Starter Pack
Extension Starter Pack
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Privacy & Security
Privacy & Security
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Twitch customization
Twitch customization
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Recommended extensions
  • Google Search Fixer

    Google Search Fixer

    Override the user-agent string presented to Google Search pages to receive the search experience shown to Chrome.

    Thomas Wisniewski

    103,502 users

  • Tree Style Tab

    Tree Style Tab

    Show tabs like a tree.

    Piro (piro_or)

    172,006 users

  • ClearURLs

    ClearURLs

    Removes tracking elements from URLs

    Kevin

    519,067 users

  • Imagus

    Imagus

    With a simple mouse-over you can enlarge images and display images/videos from links.

    Deathamns

    58,262 users

Popular themes
Tab managers
  • Tree Style Tab

    Tree Style Tab

    Show tabs like a tree.

    Piro (piro_or)

    172,006 users

  • OneTab

    OneTab

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

    OneTab Team

    162,570 users

  • Tab Session Manager

    Tab Session Manager

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

    sienori

    149,777 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

    75,966 users

Social media extensions
  • Return YouTube Dislike

    Return YouTube Dislike

    Returns ability to see dislike statistics on youtube

    Dmitry Selivanov

    920,785 users

  • BetterTTV

    BetterTTV

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

    NightDev

    502,316 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.

    Phoenix

    33,818 users

  • Augmented Steam

    Augmented Steam

    Augments your Steam Experience

    IsThereAnyDeal

    62,907 users

Recommended themes
Accessibility extensions
  • Dark Reader

    Dark Reader

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

    Dark Reader Ltd

    1,285,635 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.

    LSD Software

    205,166 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.

    Dark Mode

    44,101 users

  • Sidebery

    Sidebery

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

    mbnuqw

    59,697 users

“download” tagged extensions
  • Video DownloadHelper

    Video DownloadHelper

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

    Paul

    1,791,794 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.

    Dishita

    372,779 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.

    Joe Ertaba

    102,555 users

  • SingleFile

    SingleFile

    Save an entire web page—including images and styling—as a single HTML file.

    gildas

    79,057 users

Change the way Firefox looks with themes.

Change the way Firefox looks with themes.