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

Log in

12,080 extensions found in Web Development

Filter results
Search results
  • Colorless for Firefox

    Colorless for Firefox

    Remove colors from a web page that it becomes black and white, or sepia.

    hereafter

    77 users

  • Extension for AWS SSO

    Extension for AWS SSO

    This extension is for AWS IAM Identity Center (The old name is AWS SSO).

    yaggytter

    77 users

  • Tab renamer

    Tab renamer

    Change tab titles easily!

    Yassine badri

    77 users

  • All Images Downloader

    All Images Downloader

    Download and view all images from a webpage with a single click.

    onii.com

    77 users

  • User Agent Editor

    User Agent Editor

    Change your user agent quickly and easily

    Francesco De Stefano

    77 users

  • Best Cookie Editor

    Best Cookie Editor

    View, modify or delete browser cookies. Absolutely open-source.

    Sumalya Chatterjee

    76 users

  • KOSHIAN 返信フォームを固定

    KOSHIAN 返信フォームを固定

    レスフォームの位置を調整します !注意! 一度でもフォーム位置切替を行ってた場合フォームがちらつきます FirefoxのオプションのプライバシーとセキュリティのCookieを管理から img.2chan.netやmay.2chan.netのreszcというCookieを削除すると解決します

    Pachira

    76 users

  • Dreditor for firefox

    Dreditor for firefox

    An extension for Drupal.org that enhances user experience and functionality. Ported from Chrome extension by Mark Carver, Original author: Daniel F. Kudwien (sun).

    BrianGilbert_

    76 users

  • Tracked for Basecamp

    Tracked for Basecamp

    Kanban boards, labels, and estimates all within Basecamp.

    TrackedHQ

    76 users

  • DrupalPod

    DrupalPod

    This extension set up a development environment for Drupal contributions

    Ofer Shaal

    76 users

  • REST Client

    REST Client

    Send custom HTTP requests (GET, POST, PUT, PATCH, DELETE) to any URL with custom headers and body.

    Cyzy

    76 users

  • My IP

    My IP

    This extension will give you information about your current IP address.

    Tatami-web

    75 users

  • Aardvark Duex

    Aardvark Duex

    Prune web pages to highlight desired content.

    dvogel

    75 users

  • Baseliner

    Baseliner

    An extension for designers and developers who care about the grid.

    jpedroribeiro

    75 users

  • SpellCheckAnywhere

    SpellCheckAnywhere

    This extension allows you to make spellcheck work on whole page body.

    cisco211

    75 users

  • Google Search Enhancer

    Google Search Enhancer

    Google Search Enhancer is a Firefox addon that optimizes the Google search experience for mobile and tablet users. By adjusting the user-agent string, it aligns Firefox's functionality with that of Chrome, delivering a seamless and improved search.

    Dr. B. R. Shriradhakrishnasharnam

    74 users

  • Allow Right Click & Copy

    Allow Right Click & Copy

    Prevents websites from blocking text selection, right-click, and copying.

    Raman Das

    74 users

  • autojump

    autojump

    In OSChina, Gitee, Zhihu, Juejin, Jianshu and CSDN websites will jump to third-party links without feeling, which can save a lot of time.

    林炳权

    74 users

  • Leet Xt - Supercharge your Leetcode practice

    Leet Xt - Supercharge your Leetcode practice

    Supercharge your LeetCode practice - Add to Friends, Premium Features, per Contest Friends Rating, and more!

    binbard

    74 users

  • WebGPU Inspector

    WebGPU Inspector

    WebGPU Inspector is a Developer Tools extension for debugging WebGPU content. It intercepts all WebGPU objects and commands, allowing you to inspect information about any GPU object and capture frames.

    brendan-duncan

    73 users

  • FakerFill

    FakerFill

    Automate fake data generation in web forms for developers and QA testers

    Łukasz Dymek

    73 users

  • Agentium: User agent switcher

    Agentium: User agent switcher

    Agentium is an extension for controlling the user agent identity reported by your browser, allowing you for instance to view the mobile version of a website on your computer.

    Chuan Ji

    73 users

  • Gabut Extentions

    Gabut Extentions

    Integration for Gabut Download Manager.

    Gabut Download Manager

    73 users

  • Timestamp Converter

    Timestamp Converter

    Convert timestamps into human readable format or dates into timestamps

    Ceenen

    73 users

  • Scroll Everywhere

    Scroll Everywhere

    Activate the scroll bar on the pages that are being viewed even if it has been disabled. / Muestra la barra de navegación (scroll) en todas las páginas.

    Unai Valle

    72 users