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

Log in

9,413 extensions found in Privacy & Security

Filter results
Search results
  • Unofficial DuckDuckGo Plus

    Unofficial DuckDuckGo Plus

    DuckDuckGo enhancements for Firefox

    Jett

    28 users

  • Password Strength Checker

    Password Strength Checker

    Check password strength, entropy and estimated crack time - fully offline, nothing is sent anywhere.

    Jennifer

    28 users

  • Nitter / Anartia redirector

    Nitter / Anartia redirector

    Redirect to a Nitter / Anartia instance

    nortti

    28 users

  • WebStack

    WebStack

    Identify the web stack of any site — frameworks, CMS, analytics and CDNs

    wrahimi

    28 users

  • URL Purifier

    URL Purifier

    Remove tracking parameters from URLs automatically

    VincentBaker

    28 users

  • HashCalc

    HashCalc

    Calculate MD5, SHA-1, SHA-256 and SHA-512 hashes of any text

    Aexodi

    28 users

  • YouTube™ AdBlock

    YouTube™ AdBlock

    YouTube™ AdBlock is a premium ad blocker extension to eliminate annoying ads.

    YouTube™ AdBlock

    28 users

  • Enhanced Network Tab

    Enhanced Network Tab

    An open source lightweight security analysis tool for capturing and modifying HTTP/S requests with a nice UI.

    muskecan

    28 users

  • Amazon Link Cleaner

    Amazon Link Cleaner

    Automatically redirects Amazon links to their shortest versions for more privacy and easier sharing.

    JL Griffin

    28 users

  • xorkeesign Webmail

    xorkeesign Webmail

    Digitally sign and verify emails in popular web mail services.

    Odyssey Technologies Ltd

    28 users

  • Passphrase Generator

    Passphrase Generator

    Generate strong, memorable passphrases using the built-in EFF wordlist. Fully offline.

    Mykola

    28 users

  • UARotate

    UARotate

    Rotate User-Agent automatically to mask your browser identity

    dexter

    28 users

  • EncodeDrop

    EncodeDrop

    Drop text to encode or decode — Base64, URL encoding and more

    Clint

    28 users

  • Focus Block

    Focus Block

    Stay focused by blocking sites you add to the list

    Cassy Mongiovi

    28 users

  • ByteFlip

    ByteFlip

    Flip between Base64, URL and HTML encoding instantly

    Clint

    28 users

  • CrumbTracker

    CrumbTracker

    Track and view all cookies set by the current website

    Ridge

    28 users

  • StorageScope

    StorageScope

    View, edit and delete localStorage and sessionStorage for any page

    Teofila

    28 users

  • Distract Guard

    Distract Guard

    Redirect blocked domains to a focus reminder page

    Cassy Mongiovi

    28 users

  • Non-Personalized Google Ads

    Non-Personalized Google Ads

    Only request non-personalized ads from Google AdSense.

    Proportionate and Reasonable

    28 users

  • CookieSweep

    CookieSweep

    Automatically delete cookies for selected domains when their tab is closed

    Gunnvaldr

    28 users

  • Cookie Manager

    Cookie Manager

    Firefox cookie manager

    Olivier Meunier

    28 users

  • YouTube Alchemy

    YouTube Alchemy

    Swiss Army knife for YouTube with customizable features and interface improvements, all controlled via intuitive settings panels.

    28 users

  • GateKeeper Password Manager

    GateKeeper Password Manager

    GateKeeper Password Manager works with the GateKeeper Core desktop application to provide proximity based access to web credentials.

    GateKeeper

    28 users

  • Mini Video Player

    Mini Video Player

    Watch floating videos while browsing the web.

    CONG GAME BAI DOI THUONG SUNWIN CLUB

    28 users

  • HTTP Replay

    HTTP Replay

    Replay HTTP requests with custom method, headers, and body. Keeps a history of recent requests. Mini REST client.

    GSK

    28 users