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

Log in

11,670 extensions found in Web Development

Filter results
Search results
  • Perfect Image Resizer

    Perfect Image Resizer

    Resize and compress images for your website and export as WebP, PNG, or JPEG.

    Brent Herrig Creative

    1 user

  • Cookie Toggler

    Cookie Toggler

    Toggles the specified cookie on and off.

    Vit

    1 user

  • Scratch That

    Scratch That

    Allows you to set filters which replace all instances of text on webpages.

    redanaheim

    1 user

  • CheckThisOut

    CheckThisOut

    Quickly check the current page against W3C, Schema.org, and other web standards validators.

    Starmania

    1 user

  • clickForCode

    clickForCode

    Click to add a <pre> tag inside the HTML <body>.

    Ryan P. C. McQuen

    1 user

  • WIPDeveloper.com Tools

    WIPDeveloper.com Tools

    Collection of tools developed for use with Salesforce.com from WIPDeveloper.com.

    BrettMN

    1 user

  • Ahrefs Domain Highlighter

    Ahrefs Domain Highlighter

    Highlights spammy backlinks in ahrefs

    Paul

    1 user

  • Fire PR

    Fire PR

    The official fire-pr extension for Firefox. Create Bitbucket pull request with ease

    Kevin Peters

    1 user

  • DSA Practice

    DSA Practice

    Simple extension for students which reminds and gives 5 questions from mixed topics to practice by Siddhant Kashyap.

    Siddhant Kashyap

    1 user

  • Float

    Float

    Float collects your system info — browser/OS — so that you can send it to someone who needs to fix something.

    M2 Creates

    1 user

  • Is it WordPress?

    Is it WordPress?

    Right-click on any link to check if it's a WordPress site and see the version

    Shawn DeWolfe

    1 user

  • xiHeaders

    xiHeaders

    modify request headers

    xi

    1 user

  • Pomodoro Timer

    Pomodoro Timer

    A simple Pomodoro timer to boost your productivity with 25-minute work sessions and 5-minute breaks.

    SomeOne

    1 user

  • Playcanvas One-Click Docs

    Playcanvas One-Click Docs

    One-click Playcanvas/JavaScript Documentation

    root

    1 user

  • Swagger Auto Server Selection

    Swagger Auto Server Selection

    Swagger Auto Server Selection by hostname

    Nikita Korevo

    1 user

  • MyMenu+

    MyMenu+

    Easily manage and access your favorite URLs from the right-click menu.

    mkdev

    1 user

  • vbstudio-gitmoji

    vbstudio-gitmoji

    Shows the gitmoji picker on Oracle Visual Builder Studio commit summary inputs.

    ginniecodes

    1 user

  • BookMarksBySulf

    BookMarksBySulf

    Bookmarks but made better

    sulf

    1 user

  • Spotify Ads Muter

    Spotify Ads Muter

    Mute all kinds of Ads on open.spotify.com regards , Mohamad Samardeh Haghighi Fard :)

    Mohamad Samardeh Haghighi Fard

    1 user

  • DeepSeek Escape

    DeepSeek Escape

    Press Esc key to stop the text generation in DeepSeek just like ChatGPT

    HolyChicken99

    1 user

  • Files Manager for Claude Companion

    Files Manager for Claude Companion

    Companion extension that enables automatic file synchronization between JetBrains IDEs and Claude AI projects. Works with the "Files Manager for Claude" IDE plugin to streamline development workflow by allowing developers to send code files directly.

    Martin Čerman

    1 user

  • GitHub Code Editors

    GitHub Code Editors

    Open GitHub repositories in different online code editors⚡

    Yankee Maharjan

    1 user

  • URL Collector

    URL Collector

    Collect and manage URLs and form data. and more :)

    Egyscan

    1 user

  • WebA11y Inspector

    WebA11y Inspector

    Comprehensive accessibility audits with built-in tools to fix compliance issues.

    William

    1 user

  • Page Finder

    Page Finder

    Page Finder

    LEO KA

    1 user