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

Log in

13,669 extensions found in Web Development

Filter results
Search results
  • Tabs Backup & Restore - Extended

    Tabs Backup & Restore - Extended

    Backup and restore all of the browser's windows and tabs.

    Warren Bank

    69 users

  • Toggle Document Design Mode (WebExtension)

    Toggle Document Design Mode (WebExtension)

    This addon lets you edit any page! Press Shift+Alt+D to toggle document.designMode = 'on'/'off'. The logo is CC0 from here https://pixabay.com/en/pencil-pen-orange-red-eraser-190586/

    Andrei Petcu

    68 users

  • Socket Security

    Socket Security

    Socket uses advanced code analysis and AI-powered risk detection to add security metrics to your NPM package pages and search results, defending your project against malware and security vulnerabilities in advance.

    SocketDev

    68 users

  • Site24x7 Web Transaction (Browser) Recorder

    Site24x7 Web Transaction (Browser) Recorder

    Site24x7 Web Transaction (Browser) Recorder can be used to record all essential workflows in your web application and set up production synthetic monitoring in Site24x7 by using Chrome or Firefox browsers, at regular intervals.

    Site24x7

    68 users

  • Tab renamer

    Tab renamer

    Change tab titles easily!

    Yassine badri

    68 users

  • Quick ColorPicker

    Quick ColorPicker

    Pick colors from any webpage using the EyeDropper tool, copy HEX/RGB values, preview swatches, and save recent colors for quick access.

    Jatin

    68 users

  • MatugenFox

    MatugenFox

    Live, dynamic system-wide theming for your web browser. Synchronize your Firefox colors with your Matugen theme in real-time.

    Ubaidullah

    68 users

  • v2ex plus

    v2ex plus

    优雅便捷的 V2EX 扩展

    p0we7

    68 users

  • Redirect Checker

    Redirect Checker

    HTTP Header & Redirect Checker for SEO

    Serge

    68 users

  • floatingcube

    floatingcube

    Noting, finding, easy access to sugarcube variables for sugarcube pages.

    WKLaume

    68 users

  • Live Editor

    Live Editor

    This editor is used to display and check your HTML and CSS code easily. Just click on the this Extension Icon on the toolbar and it will open the Editor in the New tab. This will save the time of the Front end Developers.

    Balaji

    68 users

  • Paste as Markdown

    Paste as Markdown

    Paste as Markdown, from anywhere, into any web form.

    Medusis

    68 users

  • Copy Text Link

    Copy Text Link

    Copy the text of links without having to select it.

    Zatsune Sakurako

    68 users

  • Uncheck Radio Buttons

    Uncheck Radio Buttons

    This extension allows users to uncheck radio buttons! Right-click any radio button to uncheck.

    Seth Riggenbach

    68 users

  • Simple console.log for mobile

    Simple console.log for mobile

    Just print my console.log and errors on the screen. Why doesn't firefox on mobile have a dev console?

    planetrenox

    67 users

  • Gemini Watermark Cleaner

    Gemini Watermark Cleaner

    Automatically removes watermarks from images generated by Gemini AI. Download and view images without watermarks.

    magoflaco

    67 users

  • Git Notify

    Git Notify

    Don't miss any GitLab issues or merge requests and rocket up your productivity.

    Corentin Mors

    67 users

  • Aardvark Duex

    Aardvark Duex

    Prune web pages to highlight desired content.

    dvogel

    67 users

  • utubehits.com

    utubehits.com

    Promote YouTube videos for free, get more views, subscribers, likes, comments safely.

    wmobi

    67 users

  • Kukiji - Cookie Export/Import

    Kukiji - Cookie Export/Import

    Export and import browser cookies. All cookies or filtered by domain. JSON format compatible with most cookie editors.

    Adi Glibanović

    67 users

  • Password Generator ⚡ PRO

    Password Generator ⚡ PRO

    Powerful and user-friendly extension/add-on with PRO features for randomly generating and checking passwords security.

    Qit.tools

    67 users

  • ChatGPT to HTML Export Download

    ChatGPT to HTML Export Download

    Save ChatGPT chat as an HTML file

    Hanna

    67 users

  • IPvQ

    IPvQ

    List hosts and corresponding IP addresses of all network requests made from a given tab. A replacement of IPvFox for Firefox Quantum. Functionality and appearances are aimed to be very close to the legacy extension.

    zizazit

    67 users

  • WikimediaDebug

    WikimediaDebug

    Control the X-Wikimedia-Debug header on HTTP requests.

    Timo Tijhof

    67 users

  • Lexical Developer Tools

    Lexical Developer Tools

    Adds Lexical debugging tools to the Firefox Developer Tools. It allows you to inspect the Lexical state in the Firefox Developer Tools.

    Lexical

    67 users