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

Log in

12,544 extensions found in Web Development

Filter results
Search results
  • Recover-E

    Recover-E

    Recover-E: Form manual recovery. Recover input and textarea elements after form crash/refresh/close.

    Mor Shemesh

    35 users

  • 100% Free AI Humanizer

    100% Free AI Humanizer

    The simplest way to make AI text sound human. 100% Free, Unlimited & Undetectable.

    S. Tech Studio

    35 users

  • V+ Unlock

    V+ Unlock

    V+ sehen

    jonaszhb

    35 users

  • Auto-play

    Auto-play

    An extension that allows you to auto play videos if you are watching movies on website that don't support it

    Simo

    35 users

  • Modify HTTP Headers

    Modify HTTP Headers

    Add, modify or remove any request or response header.

    CirnoT

    35 users

  • HTML Video FPS Counter.

    HTML Video FPS Counter.

    View the fps of an html <video> element.</video>

    Firefox user 12834494

    35 users

  • Cosmostation Wallet

    Cosmostation Wallet

    Non-custodial multi-chain extension wallet powered by Cosmostation, the interchain validator.

    Cosmostation

    35 users

  • Mytube for Youtube™

    Mytube for Youtube™

    Removes all annoying ads and banners from YouTube!

    codehemu

    35 users

  • Roblox Developer - Toolkit

    Roblox Developer - Toolkit

    Developer Toolkit gives you instant access to advanced developer settings, hidden tools, and quick controls for toggling features, managing configurations, testing, and debugging — all in one sleek interface, like a real developer.

    Trusted Developer Inc

    35 users

  • NetProbe - My IP Checker & Domain Toolkit

    NetProbe - My IP Checker & Domain Toolkit

    NetProbe: All-in-one IP address checker, domain toolkit and speed test checker. Real-time IP, location, ISP info. WebRTC and VPN leak test, ping latency, port checker, SSL validation and DNS records tools. copy or Export data as JSON files.

    Fontchi

    35 users

  • FormFiller

    FormFiller

    Auto-completing HTML forms with random data

    josiahsprankle

    35 users

  • ChatGPT Export to Markdown

    ChatGPT Export to Markdown

    Export ChatGPT conversations to clean, well-formatted Markdown files with one click.

    J. Chik

    35 users

  • ASS Subtitle Player

    ASS Subtitle Player

    Play local .ass and .srt subtitles on any web video. Optimized for HiAnime with a sleek, modern UI and aspect ratio support.

    Kerim Demirkaynak

    35 users

  • Responsive Check

    Responsive Check

    Test website responsiveness with ease, display multiple screens at once!

    fernando

    35 users

  • Button Clicker

    Button Clicker

    Clicks all buttons on the page

    Firefox user 14592537

    35 users

  • STARTOOLS CAM

    STARTOOLS CAM

    Extensão que injeta CAM STARTOOLS

    STARTOOLS CAM

    35 users

  • JSON Viewer

    JSON Viewer

    A beautiful, customizable JSON/JSONP viewer and highlighter. Open-source fork: github.com/Lysak/json-viewer

    Dmytrii Lysak

    35 users

  • Shadertoy frame exporter

    Shadertoy frame exporter

    High quality timed frame export from Shadertoy

    tdhooper

    35 users

  • cSPY - SecurityHeader Scanner

    cSPY - SecurityHeader Scanner

    Advanced security header scanner with CSP analysis, multi-engine scoring, actionable recommendations, and PDF report export. Zero external requests — all analysis runs locally.

    VaultOcean

    35 users

  • Image Links Extractor

    Image Links Extractor

    Extract all image links (jpg, png, webp) from the current page.

    Mehdi SayyadNahed

    35 users

  • Image Resizer

    Image Resizer

    Rescale multiple images into different sizes in a single step

    Chandler Stimson

    35 users

  • mh-devtools

    mh-devtools

    Inspect network requests like DevTools

    mohamed

    35 users

  • Web Content Downloader

    Web Content Downloader

    A convenient browser extension that helps users quickly download and save web contentWeb Content Downloader is a powerful browser extension designed to enhance your web downloading experience. Key features include:\n\n• Batch Download: Download multi

    bitworry

    35 users

  • AI Chat Exporter and Printer

    AI Chat Exporter and Printer

    Export AI chatbot conversations to PDF, Markdown, DOCX, and more.

    nuncaeslupus

    35 users

  • DaatSRI - Descarga de Comprobantes Electronicos EC

    DaatSRI - Descarga de Comprobantes Electronicos EC

    Descarga Automatiza la descarga masiva de comprobantes electrónicos XML y RIDE desde el portal del SRI de Ecuador. Organiza los archivos automáticamente en carpetas por tipo y fecha.masivamente comprobantes del SRI

    DaatSRI

    35 users