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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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Privacy & Security extensions
Privacy & Security extensions
See staff picks
Tab managers
Tab managers
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Spotlight: Adaptive Tab Bar Color
Spotlight: Adaptive Tab Bar Color
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Extension starter pack
  • Privacy Badger

    Privacy Badger

    Automatically learns to block invisible trackers.

    1.801.723 usuaris

  • Enhancer for YouTube™

    Enhancer for YouTube™

    Pren el control de YouTube i millora la teva experiencia d'usuari!

    664.763 usuaris

  • Gramàtica i corrector ortogràfic - LanguageTool

    Gramàtica i corrector ortogràfic - LanguageTool

    Amb aquesta extensió podeu revisar text amb el corrector gramatical i d'estil gratuït LanguageTool. LanguageTool troba molts més errors dels que troba un simple corrector ortogràfic.

    395.292 usuaris

  • Search by Image

    Search by Image

    A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.

    392.370 usuaris

Creativity extensions
  • LeechBlock NG

    LeechBlock NG

    LeechBlock NG is a simple productivity tool designed to block those time-wasting sites that can suck the life out of your working day. All you need to do is specify which sites to block and when to block them.

    115.204 usuaris

  • Gramàtica i corrector ortogràfic - LanguageTool

    Gramàtica i corrector ortogràfic - LanguageTool

    Amb aquesta extensió podeu revisar text amb el corrector gramatical i d'estil gratuït LanguageTool. LanguageTool troba molts més errors dels que troba un simple corrector ortogràfic.

    395.292 usuaris

  • Search by Image

    Search by Image

    A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.

    392.370 usuaris

  • Dictionary Anywhere

    Dictionary Anywhere

    View definitions easily as you browse the web. Double-click any word to view its definition in a small pop-up bubble. It also supports Spanish, German, French language alongside English. Enjoy Reading Uninterrupted!!!.

    49.099 usuaris

Steam enhancers
  • SteamDB

    SteamDB

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

    67.469 usuaris

  • Augmented Steam

    Augmented Steam

    Augments your Steam Experience

    61.382 usuaris

  • 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).

    6.361 usuaris

  • ProtonDB for Steam

    ProtonDB for Steam

    Shows ratings from <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/f8db0358d96c1a46b9a77aa02190de811e40819051b1d42dd013c17276046ffd/http%3A//protondb.com" rel="nofollow">protondb.com</a> on Steam

    3.948 usuaris

“twitter” tagged extensions
  • Block Site

    Block Site

    A customizable, password-protected website blocker and redirector.

    75.663 usuaris

  • 'Improve YouTube!'  🎧 (For YouTube & Video)

    'Improve YouTube!' 🎧 (For YouTube & Video)

    Youtube Extension. Powerful but lightweight. Enrich your Youtube &amp; content selection. Make YouTube tidy&amp;smart! Layout Filters Shortcuts Adblocker Playlist

    57.466 usuaris

  • Feedbro

    Feedbro

    Advanced Feed Reader - Read news &amp; blogs or any RSS/Atom/RDF source.

    48.119 usuaris

  • Turn Off the Lights

    Turn Off the Lights

    La pàgina sencera s'enfosquirà, així podrà veure els vídeos com si fos al cinema.

    46.766 usuaris