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Extensions are like apps for Firefox.

They add features to Firefox to make browsing faster, safer, or just plain fun.
See all extensions
Create a Firefox account to sync across devices
Create a Firefox account to sync across devices
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Privacy beyond browser extensions
Privacy beyond browser extensions
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Media enhancers for Firefox
Media enhancers for Firefox
Explore extensions
Recommended extensions
  • Cookie Quick Manager

    Cookie Quick Manager

    An addon to manage cookies (view, search, create, edit, remove, backup, restore, protect from deletion and much more). Firefox 57+ is supported.

    38 465 brukere

  • Zoom Page WE

    Zoom Page WE

    Zoom web pages (either per-site or per-tab) using full-page zoom, text-only zoom and minimum font size. Fit-to-width zooming can be applied to pages automatically. Fit-to-window scaling can be applied to small images.

    45 985 brukere

  • Link Gopher

    Link Gopher

    Extracts all links from web page, sorts them, removes duplicates, and displays them in a new tab for inspection or copy and paste into other systems.

    15 762 brukere

  • EPUBReader


    With EPUBReader you can read ePub files just in Firefox. No additional software needed!

    165 069 brukere

Popular themes
Enhanced privacy extensions
  • Ghostery – Privacy Ad Blocker

    Ghostery – Privacy Ad Blocker

    Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.

    1 314 631 brukere

  • Privacy Badger

    Privacy Badger

    Automatically learns to block invisible trackers.

    829 096 brukere

  • Decentraleyes


    Beskytter mot sporing gjort av "gratis" sentralisert innholdslevering. Den hindrer mange forespørsler fra å nå nettverk som Google Hosted Libraries, og tilbyr lokale filer for å avverge rotede nettsteder. Bistår vanlige innholdsblokkerere.

    227 701 brukere

  • Facebook Container

    Facebook Container

    Prevent Facebook from tracking you around the web. The Facebook Container extension for Firefox helps you take control and isolate your web activity from Facebook.

    851 952 brukere

Popular extensions
  • uBlock Origin

    uBlock Origin

    Finally, an efficient blocker. Easy on CPU and memory.

    5 179 238 brukere

  • Video DownloadHelper

    Video DownloadHelper

    The easy way to download and convert Web videos from hundreds of YouTube-like sites.

    2 780 937 brukere

  • NoScript Security Suite

    NoScript Security Suite

    The best security you can get in a web browser! Allow active content to run only from sites you trust, and protect yourself against XSS other web security exploits.

    1 584 164 brukere

  • Ghostery – Privacy Ad Blocker

    Ghostery – Privacy Ad Blocker

    Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.

    1 314 631 brukere

Recommended themes
Recommended password managers
  • LastPass Password Manager

    LastPass Password Manager

    LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.

    912 825 brukere

  • Bitwarden — Fri passordbehandling

    Bitwarden — Fri passordbehandling

    En sikker og fri passordbehandler for alle dine PCer og mobiler

    153 461 brukere

  • 1Password X – Password Manager

    1Password X – Password Manager

    The best way to experience 1Password in your browser. Easily sign in to sites, generate passwords, and store secure information, including logins, credit cards, notes, and more.

    65 091 brukere

  • RoboForm Password Manager

    RoboForm Password Manager

    RoboForm, the #1 ranked Password Manager makes your life easier by remembering passwords and logging you into websites automatically

    87 864 brukere