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

Log in

9,628 extensions found in Web Development

Filter results
Search results
  • TSConfig Configurator

    TSConfig Configurator

    TSConfig Configurator (typescriptlang.org)

    lonberg

    1 user

  • Contrast Checker Palette

    Contrast Checker Palette

    Extract colors and check their contrast ratios.

    Rosa Day

    1 user

  • PostPro AI - Grow on LinkedIn!

    PostPro AI - Grow on LinkedIn!

    Predict LinkedIn post virality and enhance your content before publishing. AI-powered analysis for better engagement and reach. Grow your LinkedIn presence with AI-powered content intelligence.

    Sumanth

    1 user

  • Instagram tools venosqv5

    Instagram tools venosqv5

    Sizi kimlerin takip etmediğini merak mı ediyorsunuz? Tek tıkla analiz yapın ve takip etmeyenleri listenizden çıkarın. Hızlı, basit ve etkili Instagram temizlik aracı.

    Murat Karademir

    1 user

  • Pingbird Prompt Compressor

    Pingbird Prompt Compressor

    Compress AI prompts locally in your browser. Save tokens & improve clarity with privacy-first compression.

    Pingbird

    1 user

  • HTML/CSS Counter

    HTML/CSS Counter

    Introducing the HTML/CSS Counter, a powerful Firefox addon designed for web developers and enthusiasts. This feature-packed extension provides a seamless way to count HTML and CSS elements on any webpage

    LEO88

    1 user

  • Make Page Editable

    Make Page Editable

    Enable or disable editing on any webpage with a single click. This extension toggles contenteditable mode, letting you freely modify text and content in the page.

    MIPR

    1 user

  • TweakJS

    TweakJS

    Execute custom JavaScript on Websites Run custom JavaScript on any site — per-domain tweaks to change appearance, replace text, redirect pages, and more.

    P.C

    1 user

  • Search Documents In Address Bar

    Search Documents In Address Bar

    You can quickly and comfortably search multiple (e.g. css, git, python) programming documents in the address bar.

    socode.pro

    1 user

  • Mahfuj Theme Converter

    Mahfuj Theme Converter

    Smooth, smart dark mode for every website. Automatically converts light backgrounds to deep, natural dark themes while preserving images and media.

    Mahfuj Ibn Mijan

    1 user

  • Page Memory

    Page Memory

    Save personal notes for every page you visit locally and securely

    CortaNext

    1 user

  • Qwopy

    Qwopy

    Allows user to copy primary article text by pressing and holding the mouse.

    Polymer Mallard

    1 user

  • Tab Storage Copier

    Tab Storage Copier

    Tired of logging in & out to test different user roles? End the pain with one-click session switching. Save complete session states (storage & cookies) as profiles and load them instantly. Also includes quick tools to copy, save, and clear storage.

    Sean

    1 user

  • Dark Mode Toggle

    Dark Mode Toggle

    Toggle dark mode on any website with one click.

    Qh88

    1 user

  • DevKit Site Scanner

    DevKit Site Scanner

    Check for broken links on any website directly from your browser

    rezero-rich

    1 user

  • Quick Task Previewer

    Quick Task Previewer

    Preview detected tasks before deciding to save or export.

    Emilio

    1 user

  • Word Frequency Inspector

    Word Frequency Inspector

    Analyze word frequency patterns on any webpage to understand text composition and writing style.

    S8club

    1 user

  • Website Color Palette Ext

    Website Color Palette Ext

    Extract color palettes from websites with advanced color scheme generation

    Nổ Hũ Uy Tín

    1 user

  • Gmail Plus Address Generator

    Gmail Plus Address Generator

    Quickly generate a plus address for emails in forms

    o8e

    1 user

  • Copiar Nombre de Contacto

    Copiar Nombre de Contacto

    Esta extensión copia el nombre del contacto del chat abierto de WhatsApp.

    Tuty

    1 user

  • World (Indian)GPS Coordinates for Google Maps

    World (Indian)GPS Coordinates for Google Maps

    Add a button to Google Maps to get super quickly the GPS coordinates (latitude & longitude) in different formats.

    PANKAJ ASWAL

    1 user

  • Starfix

    Starfix

    Utility Extension for Starfix. It Intends to add an "Open in IDE" button on websites like Github , Gitlab etc.Easily Configurable to chose between cloning Protocols viz HTTPS and SSH. Learn More: https://github.com/starfixdev/starfix

    starfixdev

    1 user

  • FreshJuice HubSpot DevTools

    FreshJuice HubSpot DevTools

    Quick access to HubSpot debug parameters and HubL documentation for CMS developers

    Alex Zappa

    1 user

  • codeanywhere more space

    codeanywhere more space

    Additional space editor for codeanywhere editor

    sarahah

    1 user

  • CIDR Utils

    CIDR Utils

    A simple CIDR information viewer that displays details about an IP address, including its CIDR notation, subnet mask, and binary representation.

    Kai

    1 user