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

Log in

12,058 extensions found in Web Development

Filter results
Search results
  • Per-Domain User CSS

    Per-Domain User CSS

    Add custom CSS per domain. Modify fonts, colors, and layouts on any website. Each domain has its own saved style. Includes enable/disable toggle, preview, and save options.

    ArachnidFight

    11 users

  • React-DomPicker (Official)

    React-DomPicker (Official)

    Click any UI element to instantly jump to its React source code in VS Code. Perfect for React + Tailwind + ShadCN projects.

    Odyssey

    11 users

  • SCI-HUB Alternative

    SCI-HUB Alternative

    One can easily find the research article by entering DOI in searchbox..

    PANKAJ ASWAL

    11 users

  • BR Helper | Скрипт для Форума

    BR Helper | Скрипт для Форума

    Black Russia Helper — расширение разработанное для автоматизации ответов на темы форума forum.blackrussia.online. Оно значительно упрощает взаимодействие с форумом, позволяя автоматически вставлять шаблоны сообщений.

    TheFuZeeXD

    11 users

  • Zoom Lens

    Zoom Lens

    Magnify any web image with a customizable zoom lens. Hold Ctrl+click to activate, scroll to zoom, choose lens shapes. Perfect for reading small text and examining details.

    DBZ Clasher

    11 users

  • Better Sidebar for Gemini & AI Studio

    Better Sidebar for Gemini & AI Studio

    Better sidebar with folders, tags, favorites, prompt library, deep search, conversation export, and library scanning.

    Paper Crane Dev

    11 users

  • 国药厦门致远OA-A8打印去水印/显示批量下载-火狐版

    国药厦门致远OA-A8打印去水印/显示批量下载-火狐版

    国药厦门致远OA-A8打印去水印/显示批量下载-火狐版

    Tsan W.J.

    11 users

  • Pgscode.id Cookie Export

    Pgscode.id Cookie Export

    Ekstensi untuk mengekspor cookie Google ke clipboard

    Somone

    11 users

  • Claude Voyager

    Claude Voyager

    Productivity toolkit for claude.ai adds timeline navigation, chat folders, a prompt library, export options, adjustable chat width, tab title sync, and formula copy directly into the Claude interface.

    Cheswick

    11 users

  • AutoFillForm

    AutoFillForm

    O AutoFillForm é uma extensão projetada para preencher formulários automaticamente, útil para desenvolvedores e testadores de formulários web.

    Adriano Xavier

    11 users

  • Better Bugs

    Better Bugs

    Better Bugs is a browser extension simplifying bug reporting. Create your own bug reports including a screenshot, network logs, system information and a custom comment.

    sommerfe

    11 users

  • Node.js Highlighter

    Node.js Highlighter

    Highlights instances of 'Node.js' on the current website

    79king

    11 users

  • FoxyQL

    FoxyQL

    Firefox extension for the GraphiQL tool

    Milo Xeon

    10 users

  • Watermark Pages

    Watermark Pages

    Inject a watermark into pages while browsing.

    tommilligan

    10 users

  • AWS Ebook Downloader

    AWS Ebook Downloader

    Download ebooks from AWS Resource Hub without filling forms ⚡️

    Yankee Maharjan

    10 users

  • S3 Bucket Scanner

    S3 Bucket Scanner

    This extensions helps you to find S3 buckets while you are surfing on browser. You can easily check for public s3 buckets and may be some buckets which does't exist.

    hackruler

    10 users

  • XHProf helper for Firefox

    XHProf helper for Firefox

    Easy profiling for XHProf

    Michiel Roos

    10 users

  • CHATGPT Prodigy: AutoGPT with Internet Access

    CHATGPT Prodigy: AutoGPT with Internet Access

    Combined capabilities of AutoGPT and ChatGPT. Let ChatGPT automate your tasks. Save Output into Books/Articles and much more.

    AiQUEST

    10 users

  • Gemini Solver: Тесты Cisco & IT

    Gemini Solver: Тесты Cisco & IT

    Сдавайте экзамены уверенно! Мгновенный анализ вопросов на экране с помощью Google Gemini 2.5. Распознает текст, схемы и голос. Обходит Shadow DOM на NetAcad.

    dubkoff

    10 users

  • Auto Refresh Page

    Auto Refresh Page

    Tự động làm mới trang web theo khoảng thời gian tùy chỉnh.

    Kiến Thức Genz

    10 users

  • Metastream

    Metastream

    Watch videos together with friends from various platforms.

    Metastream

    10 users

  • Open in CodeSandbox

    Open in CodeSandbox

    Adds an open in CodeSandbox button to Github Repos

    Sara Vieira

    10 users

  • SteamDB Extension

    SteamDB Extension

    Get game info and compare prices from SteamDB.

    SteamDB Extension

    10 users

  • Tailor

    Tailor

    Tailor is a developer tool that aims to simplify inspecting spacings on websites. It displays and highlights size, margin, padding, and font information. In the measuring mode, it displays the distance between any two elements on a page.

    Stanko

    10 users

  • eOffice Notes Summarizer

    eOffice Notes Summarizer

    AI-powered notes summarizer for eOffice files with secure cloud backend

    Rachayita Labs

    10 users