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

Log in

14,393 extensions found in Web Development

Filter results
Search results
  • SocketSentry

    SocketSentry

    WebSocket Debugging Tool: Inspect and debug WebSocket connections in real-time

    Socket Sentry

    1 user

  • Quick Login for NCEdCloud

    Quick Login for NCEdCloud

    Tired of manually and tediously typing in your credentials for your NCEdCloud login? Well extension solves exactly that! One‑click username+password autofill for NCEdCloud.

    extensiondev41

    1 user

  • Refererer

    Refererer

    The Sidebar displays HTTP Referer headers for all websites in real-time.

    Libor Benes (Dr. B)

    1 user

  • OneKey Navigator

    OneKey Navigator

    Keyboard-first navigation for Firefox.

    metisss003

    1 user

  • BABASITARAM PRO Ultimate Privacy Shield

    BABASITARAM PRO Ultimate Privacy Shield

    All-in-one privacy shield: 100k+ ad/tracker blocklist, site lock + PIN vault, focus mode, one-tap history/cookie burn, tab isolation, custom element blocker, and optional breach checking. All data stays on your device — nothing is sent to us.

    BABASITARAM PRO

  • AutoWipe

    AutoWipe

    Automatically clear browsing data.

    StellarExplorerGuy

    1 user

  • SnapDiff

    SnapDiff

    Capture pages, compare A/B screenshots, annotate, and save locally.

    Snapdiff.co

  • ترميز تلقائي لصفوف المدرسة

    ترميز تلقائي لصفوف المدرسة

    تعبئة عدد الحصص تلقائياً (0 للسبت والجمعة، 8 لباقي الأيام) لجميع صفوف المدرسة في بوابة وزارة التربية والتعليم، مع دعم المدارس متعددة المراحل

    planner

  • TecInt-FetchLite

    TecInt-FetchLite

    Webseiten als Bild erfassen und mit Anmerkungen versehen. Arbeitet vollständig lokal.

    TecInt

  • Auto Window Maximizer from fullscreen content

    Auto Window Maximizer from fullscreen content

    Automatically maximizes new Firefox windows when opened while being inside a fullscreen element (e.g. videoplayer UI) - Double sided arrow icons created by Prosymbols Premium - Flaticon

    Dan

    1 user

  • Pstashkey - Quick Prompts

    Pstashkey - Quick Prompts

    Fast, local-first prompt manager for Firefox. Store text snippets in folders and copy them instantly with mouse or keyboard. No cloud, no accounts.

    staniekk

    1 user

  • Tawfiq - The Muslim Extension

    Tawfiq - The Muslim Extension

    Blocks haram and NSFW content to keep Muslims safe online.

    justify

    1 user

  • Speed monitor

    Speed monitor

    Monitor de velocidad de red flotante en tiempo real.

    Ive

    1 user

  • TxtEdit

    TxtEdit

    A free, highly customizable text and code editor that built for your browser.

    Pro Bandey

    1 user

  • Cookie Transfer

    Cookie Transfer

    Copy session cookies from one site to your active tab with a single click or keyboard shortcut. Perfect for testing staging, localhost, and mirror environments without re-logging in.

    pk

    1 user

  • Better GSM by Naddi fix

    Better GSM by Naddi fix

    Small improvements for goSupermodel

    alva

    1 user

  • Pastaable

    Pastaable

    Copy Paste awesome Tailwind Code from your favorite website with Pastaable

    LaunchUHQ

    1 user

  • Web Annotator for Pi

    Web Annotator for Pi

    Annotate webpage elements or text, send targeted change requests to Pi, or copy them as Markdown.

    Patrik Björklund

    1 user

  • MDEdit

    MDEdit

    A lightweight Markdown editor designed for creating, editing, and previewing Markdown documents with ease.

    Pro Bandey

    1 user

  • Host Info

    Host Info

    Get host information

    albert

    1 user

  • Nexpath

    Nexpath

    AI coding assistant for vibe coders on Replit, Lovable and Bolt.new. When a prompt is risky, Nexpath holds it and offers a stronger version before it reaches the agent — you choose which one to send. Your own OpenAI key or a free Nexpath account.

    Nexpath

    1 user

  • Kick Chat Scheduler

    Kick Chat Scheduler

    Agende mensagens automáticas para enviar no chat da Kick.com em intervalos definidos. Ideal para criadores lembrarem seus seguidores de promoções, redes sociais ou horários de live.

    KICK AUTOMATE

    1 user

  • Chart to Table Pro

    Chart to Table Pro

    Extract data from charts and export to Excel.

    Dinesh R

    1 user

  • Image Toolkit

    Image Toolkit

    Image Toolkit: Image Converter, QR Code Generator, Watermark Tool

    chuanyu

    1 user

  • QuickAudit — web security checklist

    QuickAudit — web security checklist

    Ten-point OWASP-style security checklist for the page you're on: headers, cookies, mixed content, exposed files, JS library CVEs.

    BAB Studios

    1 user