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12,596 extensions found in Web Development

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  • Partslift Katana

    Partslift Katana

    Importieren von Ersatzteillisten aus verschiedenen Applikationen

    Partslift

    13 users

  • SQL Reference

    SQL Reference

    A Firefox Sidebar with 145+ SQL commands, subcommands, and syntax examples for ANSI, MySQL, PostgreSQL, and Oracle DBMS.

    Libor Benes (Dr. B)

    13 users

  • Specificity

    Specificity

    Analyse CSS selector specificity scores and ranking

    Sansone Janeth

    13 users

  • Highlight nofollow Links SEO

    Highlight nofollow Links SEO

    Toggle highlighting on nofollow links. No need to use the Inspector or View Page Source.

    Joel Lombardo

    13 users

  • ScrapScripts

    ScrapScripts

    Scrapboxをもっと便利に使う、楽しく遊ぶ、自由に拡張するための非公式ブラウザ拡張機能です。 搭載機能 - https://scrapbox.io/daiiz/ScrapScripts#5b4a29b5adf4e70000cc30bb 機能の有効化 - ユーザーが必要とする機能のみを有効化できます。 - 詳細は下記リンク先をご覧ください。 - https://scrapbox.io/daiiz/ScrapScripts#5b4a2b1dadf4e70000e8f31e

    daiiz

    13 users

  • Link Counter

    Link Counter

    A simple extension that counts the number of links on the current page.

    Vision Tech Camps

    13 users

  • Offline QR Code Generator PNG SVG

    Offline QR Code Generator PNG SVG

    Generate and save QR codes with various data types

    DotSlashGabut

    13 users

  • Hosting-Checker

    Hosting-Checker

    Helps you find out what hosting provider a website is using.

    Hosting-Checker

    13 users

  • AI Page Translator

    AI Page Translator

    Translate web pages using AI (OpenRouter API). Powered by LLMs like Gemini 3, Claude 4.5, GPT-5 and more.

    BlcSzha!

    13 users

  • Classic Dungeon Game

    Classic Dungeon Game

    Play Classic Dungeon Game right on Your Fire Fox!

    blake skits

    13 users

  • Opkey Browser Extension

    Opkey Browser Extension

    Opkey Recorder is a smart record engine which allow users to record steps on any Web Application including Salesforce and Workday.

    SSTS

    13 users

  • FMS HELPER PRO

    FMS HELPER PRO

    Professional FMS automation with high-fidelity UI and optimized performance.

    ALQAZAZ

  • CSRF PoC Generator

    CSRF PoC Generator

    The CSRF PoC Generator is a lightweight browser extension designed for security professionals and developers to quickly generate HTML proof-of-concept (PoC) forms from raw HTTP requests. Its primary purpose is to assist in authorized security testing

    Lakhe

    13 users

  • Copy cookies to localhost

    Copy cookies to localhost

    Copy cookies from any domain to localhost

    webuilder

    13 users

  • Context (ctxt.io)

    Context (ctxt.io)

    Share whatever you see with others in seconds. Simple rich-text ephemeral pastes.

    Context

    13 users

  • AutoRedirector

    AutoRedirector

    Automatically bypass redirect pages and go directly to the target URL.

    ChangJin Wei

    13 users

  • Определение CMS - iTrack

    Определение CMS - iTrack

    Расширение для определения CMS сайта

    iTrack

    13 users

  • Render Whitespace on GitHub

    Render Whitespace on GitHub

    Renders spaces as · and tabs as → in all the code on GitHub.

    glebm

    13 users

  • Decoder

    Decoder

    An Extension to decode any selected Base 64 text.

    Firefox user 14696955

    13 users

  • ConEx: Web Content Extractor

    ConEx: Web Content Extractor

    ConEx is a web content extractor that extracts the main content from a webpage.

    Josep Silva

    13 users

  • Page Ruler Plus

    Page Ruler Plus

    Page Ruler: Draw rulers on web pages to check element alignment in Firefox.

    SUN52

    13 users

  • Gif Maker

    Gif Maker

    A simple GIF maker tool as a Firefox extension. It allows users to create GIFs from images directly in their browser.

    fmmido

    13 users

  • CSS Spec

    CSS Spec

    Calculate CSS specificity for any selector instantly

    Sansone Janeth

    13 users

  • Meta No User-Scalable

    Meta No User-Scalable

    Adds the meta viewport tag only to sites that don't have it, and disables user scalable for all sites.

    Piggy Gaming

    13 users

  • MDN Search 2026: Web & Extension Developers' Bible

    MDN Search 2026: Web & Extension Developers' Bible

    Set MDN as your default engine for instant access to 11,000+ verified web docs. Use AI Help for real-time coding solutions and technical preservation through 2026. The world’s most trusted library for HTML, CSS, and JS—search like a pro today!

    Handmade Internet Treasures

    13 users