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

Log in

11,691 extensions found in Web Development

Filter results
Search results
  • Devoweb Tools

    Devoweb Tools

    Extension de raccourcis d'outils divers pour le développement web

    Devoweb

    0 users

  • NNIN Generator

    NNIN Generator

    Generate and auto fill norwegian national identity numbers (nnin). Great for developing or testing web applications where you need to register norwegian customers.

    Tomas Osland

    0 users

  • Auto Save Task Drafts

    Auto Save Task Drafts

    Automatically saves selected tasks before exporting.

    Hallie

    0 users

  • Snippet Auto-Format

    Snippet Auto-Format

    Auto-format snippets before saving them.

    Naima

    0 users

  • Speed Score Viewer

    Speed Score Viewer

    Quickly view your web page’s speed score without leaving your tab.

    Osian

    0 users

  • Viet Color Quiz

    Viet Color Quiz

    Popup quiz: Vietnamese colors to English. Basic color vocabulary trainer.

    Isolde Starveil

    0 users

  • Fruits & Vegetables

    Fruits & Vegetables

    Popup game to practice Vietnamese names of common fruits and vegetables in English – useful for shopping and food vocabulary.

    Seraphine Starcrest

    0 users

  • Skylark Preview

    Skylark Preview

    Preview end-user experience and ensure seamless content availability on your Skylark-powered streaming platform.

    Skylark

    0 users

  • Free Proxy Manager

    Free Proxy Manager

    Автоматически загружает и проверяет бесплатные прокси-серверы из GitHub. Поддерживает HTTP, HTTPS, SOCKS4 и SOCKS5. Проверка скорости, фильтрация и быстрое переключение между прокси одним кликом.

    kolanc

    0 users

  • td-debugger

    td-debugger

    Treasure Data TD-JS-SDK debugger for Firefox. With this extension, users can check td-js-sdk's payload in the Firefox console.

    mickeey2525

    0 users

  • littleLotus Proxy

    littleLotus Proxy

    proxy manager and proxy rotator.

    lotus

    0 users

  • Night Mode AutoBright

    Night Mode AutoBright

    Adjusts brightness based on ambient light levels.

    Ranjit

    0 users

  • Atcoder Companion Plus

    Atcoder Companion Plus

    Enhance your experience by providing some useful features designed to streamline your workflow and boost your productivity.

    Thể Thao Sodo66

    0 users

  • YouTube Playlist Analyzer

    YouTube Playlist Analyzer

    Adds total playlist duration and video count directly on YouTube playlist pages. Fetches only public playlist metadata and collects no personal data or browsing history. Works seamlessly in the background.

    SomeOne

    0 users

  • StickySlayer

    StickySlayer

    Slay sticky elements — wipe fixed and sticky positioned UI from any page

    jubairislam

    0 users

  • Smart Keyword & Spell Suggest AI

    Smart Keyword & Spell Suggest AI

    Suggest keywords, correct spelling mistakes, and store search history.

    Taixiu68

    0 users

  • Task-Based Workspace Manager

    Task-Based Workspace Manager

    Create and switch between tab groups for different tasks.

    Preston

    0 users

  • Copy Image ID Extension

    Copy Image ID Extension

    Adds new button elements within a table cell that copy to user's clipboard table data info

    Bogdan

    0 users

  • Clothing & Accessories

    Clothing & Accessories

    Popup game to practice Vietnamese clothing and accessory names in English – useful for shopping and daily conversation.

    Liora Starwind

    0 users

  • Git Deps Notifier

    Git Deps Notifier

    Git Dependency Notifier helps GitHub users track and manage Node.js dependencies. Authenticate securely, scan repositories, and compare versions with the latest releases. Stay updated with changelogs and ensure your projects are updated

    Piotr Zadka

    0 users

  • Copy Page I

    Copy Page I

    Copy current page title and URL to clipboard with one click.

    kk55cheap

    0 users

  • MyHook

    MyHook

    MyHook is a Tool which helps you exposing your local services for your clients, team mates and other development tools.

    EKISEKI

    0 users

  • Highlight to Note

    Highlight to Note

    Highlight text and instantly convert it into a note.

    Myah Mendoza

    0 users

  • NexusLabs Data Converter — 6 Format Tools

    NexusLabs Data Converter — 6 Format Tools

    6 data tools in one popup — convert between structured formats, calculate timestamps, and handle number bases. Fully offline.

    Akash Kumar Singh

    0 users

  • Anonydog

    Anonydog

    Enables anonymous pull requests on Github

    Thiago Arrais

    0 users