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

Log in

11,659 extensions found in Web Development

Filter results
Search results
  • User Agent Parser

    User Agent Parser

    Minimal UserAgent parser for Mozilla FireFox

    Gokul Kathirvel

    1 user

  • Web EditorConfig

    Web EditorConfig

    Customize tab-width rendering on GitHub

    kjanat

    1 user

  • Web Authority - SEO & Page Analyzer

    Web Authority - SEO & Page Analyzer

    Analyze metadata, headers, schema, and technical SEO signals instantly. The fastest SEO diagnostics tool for your browser.

    Loopstates

    1 user

  • Redact The Web

    Redact The Web

    Extension that redacts text on the web

    A2K

    1 user

  • Firestore fullscreen

    Firestore fullscreen

    Get a fullscreen experience when browsing the Firestore database (and GCP logs explorer)

    clementlize

    1 user

  • Habitica Browser Companion

    Habitica Browser Companion

    Record web browsing activity as tasks in Habitica.

    habitica_browser_companion

    1 user

  • Base64 Tools

    Base64 Tools

    A collection of Base64 tools, including encode & decode

    tycrek

    1 user

  • Open-Source Alternative

    Open-Source Alternative

    Open-Source Alternative Redirector seamlessly redirects you from Big Tech services to ethical, open-source alternatives—enhancing privacy and freedom online!

    Paul Mosquera

    1 user

  • domain.cls

    domain.cls

    Add 'domain' to body class

    Bruce Wen

    1 user

  • Keyword Suggestion Tool

    Keyword Suggestion Tool

    A tool to extract Google suggestions based on keywords

    Evjaj

    1 user

  • CookieTrail

    CookieTrail

    CookieTrail reveals the hidden web of external domains communicating with your open browser tabs by capturing network requests in real-time and visualizing them as interactive graphs to identify trackers, analytics, and ads.

    dmjext-dev

    1 user

  • Easy QuickCopy

    Easy QuickCopy

    Perfect for filling forms, addresses, emails, and more.

    EasyToolsBox

    1 user

  • TL Which Query

    TL Which Query

    Testing Library: which query to use

    Iulian Radu

    1 user

  • QR Code Full

    QR Code Full

    Adds a button to the address bar to get the current url as a QR Code Full

    xiuxiu10201

    1 user

  • Copy Hyperlink Within Page

    Copy Hyperlink Within Page

    アクティブなタブのページ内のハイパーリンクをマークダウン、pukiwiki、html形式でコピーします。

    ooyama2002

    1 user

  • Night Mode v1

    Night Mode v1

    Dark theme for webpages

    web3

    1 user

  • Highletz

    Highletz

    Highlights recently modified files in GitHub repositories.

    Ariaj

    1 user

  • Append to Links

    Append to Links

    Right-click on URL and open with parameters in a new tab

    Micke

    1 user

  • Fontisto

    Fontisto

    iconic font and css toolkit. Fontisto gives you scalable vector icons that can instantly be customized: size, color, drop shadow and anything that can be done with the power of CSS.

    Kenan Gündoğan

    1 user

  • Title to URL

    Title to URL

    Sets the browser tab title to the page's URL, with options to replace completely or append.

    Timothy

    1 user

  • Smartcaptchaai

    Smartcaptchaai

    Auto solve and bypass CAPTCHAs for Firefox

    vahid

    1 user

  • Revers Access Token

    Revers Access Token

    Extension pour get rapidement un Bearer Token sur l'environnement de son choix.

    Medouz

    1 user

  • Desiqo

    Desiqo

    Discover, Copy, and Customize Webpage Colors and Fonts with Desiqo!

    Desiqo

    1 user

  • File Extension Renamer

    File Extension Renamer

    Changes the extension of specified files to .txt on upload, with per-site activation.

    Liiesl

    1 user

  • tryfox-companion

    tryfox-companion

    Generate QR Codes for TryFox

    Titouan

    1 user