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

Log in

13,872 extensions found in Web Development

Filter results
Search results
  • Knockout JS Context Hover

    Knockout JS Context Hover

    https://github.com/alexcodito/KnockoutContextHover KnockoutJS Context Hover - Development and debugging assistant for Knockout JS

    Alex P

    120 users

  • BrowserStack Toolbar Toggle

    BrowserStack Toolbar Toggle

    Toggles the toolbar in Browserstack Live and App-Live

    Abhi Singh

    120 users

  • CMS Backend Opener

    CMS Backend Opener

    Opens a new tab/window with backend-login of the CMS, which the current website is using. Just press [Alt] + [y]. Supported CMS's: Typo3, Joomla, WordPress, Drupal, Contao, WebsiteBaker, Weblication, CMSQLite and Oxid.

    Andy R.

    120 users

  • Site Wipe

    Site Wipe

    Clear cookies, cache, and storage—just for the current site.

    Drowzy Dev

    120 users

  • LocaProxy Toolbar

    LocaProxy Toolbar

    LocaProxy Toolbar is a free proxy manager and switcher for Firefox.

    LocaProxy

    119 users

  • Excellent Data Filler

    Excellent Data Filler

    Fill Online Form and Scraper Data, Input, Checkbox, Select Fields, Click Button, Execute JS Script, Run Predefine Functions

    C Tech Hindi

    119 users

  • Hired Experts Search Policy

    Hired Experts Search Policy

    Hired Experts Search Policy Network

    Yonderi Diaz Rivera

    119 users

  • New Tab Suspender v2

    New Tab Suspender v2

    A very lightweight tab suspender to suspend inactive tabs that reduces an overall memory usage of firefox, uses a firefox native discard api

    TabSuspender

    119 users

  • Pure Clean: One-Click Browser Cleaner

    Pure Clean: One-Click Browser Cleaner

    Clear browser cache, history, cookies, and other data with one click to protect your privacy and improve browser speed.

    Monica0v0

    119 users

  • Whiteboard Pro – Draw On Any Site

    Whiteboard Pro – Draw On Any Site

    Turn any webpage into a whiteboard! Draw freehand, create lines, and customize thickness, opacity, and colors. Works on any site with full-page coverage. Perfect for notes, brainstorming, and teaching—fast, lightweight, and privacy-friendly. 🚀

    moeez

    119 users

  • Bluesky - Cleanup Usernames

    Bluesky - Cleanup Usernames

    cleans all usernames of their extention on Bluesky

    Greendata

    118 users

  • Word to PDF - Convert and Merge

    Word to PDF - Convert and Merge

    Convert MS Word documents (doc and docx) into PDF format

    emano waldeck

    118 users

  • CSDN和知乎增强器

    CSDN和知乎增强器

    移除CSDN和知乎的复制限制和登录弹窗

    Jimmy Shine

    118 users

  • Meteor DevTools Evolved

    Meteor DevTools Evolved

    The Meteor framework development tool belt, evolved.

    Leonardo Venturini

    118 users

  • ShowPassword

    ShowPassword

    A browser extension that reveals password inputs when the cursor hovers over fields with the `password` type

    Alireza Tahriri

    118 users

  • GW Sistemas

    GW Sistemas

    GW Sistemas - Extension

    GW Sistemas

    118 users

  • Xdebug Session Cookie

    Xdebug Session Cookie

    This addon is for PHP developers that use tools with XDEBUG support.

    Kudlaty

    117 users

  • Make it louder!

    Make it louder!

    A minimalist, privacy-first audio booster for Firefox. Amplify any tab up to 500%, boost bass by 20dB, and toggle mono audio—all with zero tracking or data collection.

    lezzowski

    117 users

  • Hotwire Dev Tools

    Hotwire Dev Tools

    Hotwire Dev Tools for Turbo and Stimulus

    Leon Vogt

    117 users

  • Free medium

    Free medium

    The Free Medium Extension is a browser add-on designed to provide users access to premium articles on Medium for free. By simply clicking the extension icon, users can redirect to a freemedium link that allowing them to read.

    saqib

    117 users

  • SpanTree - GitLab Tree

    SpanTree - GitLab Tree

    Tree view of file directory of repository on Gitlab.

    Vedansh Garg

    116 users

  • Referrer Switch

    Referrer Switch

    Adds a button to the toolbar to enable / spoof / disable sending referer header.

    Nobuyuki Honda

    116 users

  • TwineHacker z

    TwineHacker z

    Allows you to change font/style; also adds cheats

    akapierrorwhat

    115 users

  • Search Status Reloaded

    Search Status Reloaded

    Provides quick access to 1. indexed pages 2. Whois info 3. archive.org result 4. robots.txt & sitemap 6. Backlinks 7. Seo/Security report 8. Social media report 9. Alexa rank 10. Google cache 11. Similar web sites 12. ip neighbors

    Ulas

    115 users

  • Knockoutjs context

    Knockoutjs context

    Shows the knockout context & data for the selected dom node in a sidebar of the elements pane.

    Tim Stuyckens

    115 users