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Extensions

Explore powerful tools and features to customize Firefox and make the browser all your own.

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Recommended extensions
  • Forget Me Not - Forget cookies & other data

    Forget Me Not - Forget cookies & other data

    Make the browser forget website data (like cookies, local storage, etc.), except for the data you want to keep by adding domains to a whitelist, graylist, blacklist, or redlist.

    21 227 users

  • Grammar and Spell Checker - LanguageTool

    Grammar and Spell Checker - LanguageTool

    With this extension you can check text with the free style and grammar checker LanguageTool. It finds many errors that a simple spell checker cannot detect, like mixing up there/their, a/an, or repeating a word.

    178 221 users

  • Bitwarden - Free Password Manager

    Bitwarden - Free Password Manager

    A secure and free password manager for all of your devices.

    401 742 users

  • Tab Stash

    Tab Stash

    A no-fuss way to save and organize batches of tabs as bookmarks. Clear your tabs, clear your mind.

    7995 users

Top rated extensions
  • 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

    109 485 users

  • Bitwarden - Free Password Manager

    Bitwarden - Free Password Manager

    A secure and free password manager for all of your devices.

    401 742 users

  • Decentraleyes

    Decentraleyes

    Kaitseb sind "tasuta", tsentraliseeritud sisu edastamisest tuleneva jälitamise vastu. Keelab taotlused võrgustikesse nagu Google Hosted Libraries, asendades need kohalike failidega, et saidid jätkuvalt töötaksid. Täiendab tavalisi sisublokeerijaid.

    216 917 users

  • Privacy Badger

    Privacy Badger

    Automatically learns to block invisible trackers.

    964 492 users

Trending extensions
  • Emoji

    Emoji

    It permits just with a single click to copy an emoji. There is a search-box and the "Most used emojis" section (the first one). If you want to send feedback or report bug, please go to https://github.com/Sav22999/emoji

    3393 users

  • Stylebot

    Stylebot

    Change the appearance of the web instantly

    1363 users

  • Tab Stash

    Tab Stash

    A no-fuss way to save and organize batches of tabs as bookmarks. Clear your tabs, clear your mind.

    7995 users

  • Turn Off the Lights

    Turn Off the Lights

    The entire page will be fading to dark, so you can watch the videos as if you were in the cinema. Works for YouTube™ and Beyond. It works for all known video sites such as YouTube, Vimeo, Twitch, Dailymotion, Facebook, Hulu, Metacafe, YouKu, etc.

    38 868 users