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12,588 extensions found in Web Development

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  • Media Extractor Pro

    Media Extractor Pro

    Extracts all .mp4 files from a webpage.

    Alice Sn0w

    171 users

  • Timeline: ChatGPT & Gemini Chat Enhanced

    Timeline: ChatGPT & Gemini Chat Enhanced

    Double your AI experience. Chat timeline, folders, copy LaTeX formulas, quick notes, custom prompt library, and many more productivity features.

    houyanchao

    171 users

  • JsonDiscovery

    JsonDiscovery

    Browser extension that changes the way you're viewing JSON

    exdis

    170 users

  • Font Detect

    Font Detect

    The font-detect extension is a browser add-on that allows users to easily inspect and verify font styles applied to elements when they hover over them on webpages.

    Bozidar Atanasovski

    170 users

  • CSS Layout Debugger

    CSS Layout Debugger

    When activated, CSS Layout Debugger applies dynamic backgrounds and outlines to elements on the page in order to assist in layout debugging.

    CSS Layout Debugger

    170 users

  • Behind the Curtain

    Behind the Curtain

    A Firefox extension supposed to help you find the backend IP-Address of a website proxied by Cloudflare. Also allows you to gather a lot more information about the website, like querying info from crt.sh, Shodan and more.

    DAMcraft

    169 users

  • Close Similar Tabs

    Close Similar Tabs

    Close similar tabs with this lightweight and simple extension.

    SY-dev

    169 users

  • CLAUDEZILLA

    CLAUDEZILLA

    Browser automation for Claude Code — control Firefox from the terminal. No Chrome, no telemetry, no data collection.

    Boot Industries

    169 users

  • CodeCopy

    CodeCopy

    Because copy to clipboard buttons should exist on every code snippet

    Zeno Rocha

    168 users

  • Auto Scroll

    Auto Scroll

    Automatically scroll pages at custom speed.

    Auto Scroll

    167 users

  • Plain Text Linker

    Plain Text Linker

    Opens plain text URLs when you double-click on them.

    Marnes

    167 users

  • Javascript Control

    Javascript Control

    Add a button in the url bar to block or enable javascript per-site. Default is javascript disabled.

    Erwan Ameil

    167 users

  • ChatHub - All-in-one chatbot client Free

    ChatHub - All-in-one chatbot client Free

    Use ChatGPT, Bing, Bard, Claude and more chatbots simultaneously

    Ruslan A

    167 users

  • Dom Tree and CSS Playground

    Dom Tree and CSS Playground

    On ANY web site, easily find/edit the web elements and styles that you need, in real time. Use css playground to micro-view 100's of styles in seconds. NOTE: Use your shortcut key "f" allot.

    Jody Brabec

    166 users

  • Next.js Explorer - NextJS App & Pages Router

    Next.js Explorer - NextJS App & Pages Router

    Quickly check if a webpage is built with Next.js and explore static properties and other related NextJS useful metrics.

    Manel

    166 users

  • Prometheus Formatter

    Prometheus Formatter

    Makes plain Prometheus/OpenMetrics endpoints easier to read.

    Frederic Hemberger

    165 users

  • Dinyomage Autofill

    Dinyomage Autofill

    Smart autofill that saves and loads form data using website-specific profiles.

    dinyomage

    165 users

  • taba11y – Tab order accessibility tester

    taba11y – Tab order accessibility tester

    Visualise tab order with ease

    Peter Gould

    164 users

  • Google Analytics Logger

    Google Analytics Logger

    This extension serves to act like a logger for various google analytics events on any site. ‣ Supports page views, interaction events, user timing, social and exception events. ‣ Works with legacy GA ‣ Logs duplicate events and error events

    Firefox user 13092568

    164 users

  • Kahuna, the IndexedDB-Manager

    Kahuna, the IndexedDB-Manager

    Browse, edit and manage IndexedDB databases.

    Hummmingme

    164 users

  • Semrush Website SEO Tools

    Semrush Website SEO Tools

    The Semrush Website SEO Tools extension for Firefox offers a range of tools to help improve your website's SEO performance. With features for on-page SEO analysis, keyword research, backlink checking, and more.

    PapiTekno

    164 users

  • Web Scraper - Export & Security Scanner

    Web Scraper - Export & Security Scanner

    Export complete websites as ZIP files with security scanning (45+ API key types), technology detection (45+ frameworks), smart resource filtering, and dark/light theme. Perfect for developers, security auditors, and web archivists.

    voon

    164 users

  • VPN Master - Free HTTP and SOCKS Proxies

    VPN Master - Free HTTP and SOCKS Proxies

    A free reliable VPN solution based on HTTP, SOCKS4, and SOCKS5 proxy servers

    emano waldeck

    164 users

  • Pesticide for Firefox

    Pesticide for Firefox

    This extension inserts the Pesticide CSS into the current page, outlining each element to better see placement on the page. Copyright (c) 2014 Paul Molluzzo picked up by Samuel Corsi-House in 2020.

    Xenfo

    163 users

  • Mist Extension

    Mist Extension

    Grab Mist org, site and object IDs, jump straight to the matching API page, and manage your User and Org API tokens — all from your Safari toolbar.

    Thomas

    163 users