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

Log in

12,544 extensions found in Web Development

Filter results
Search results
  • Nofollow Link Check

    Nofollow Link Check

    Highlights nofollow, dofollow, UGC, sponsored, and JavaScript links with color-coded borders for easy SEO insights.

    IT-Service Frankfurt

    30 users

  • PG_Refresher

    PG_Refresher

    Refresh the website page based on your desired time.

    mohamad mansouri khojasteh

    30 users

  • JSON Diff

    JSON Diff

    JSON Diff chrome extension which works offline

    gangadharjannu

    30 users

  • Universal AI Captcha Solver

    Universal AI Captcha Solver

    Automatically solves image captchas using Gemini Vision AI.

    Adithyakrishnan

    30 users

  • Viewport Resizer Plus

    Viewport Resizer Plus

    Allows developers to dynamically resize the browser viewport to simulate different screen sizes and aspect ratios, providing a quick and convenient way to test website layouts across various devices.

    Bongvip

    30 users

  • 1-Click Excel sheet Downloader

    1-Click Excel sheet Downloader

    A add-on to convert html to excel file

    Firefox user 12762503

    30 users

  • CSS Injector

    CSS Injector

    Rapidly edit custom style of webpage

    Francesco De Stefano

    30 users

  • ChatGPT Full Width

    ChatGPT Full Width

    Make ChatGPT output use the full width of the available space.

    oscar

    30 users

  • KonvaJS Devtools

    KonvaJS Devtools

    Devtools for your Konva App

    Duc Trung Mai

    30 users

  • Superpower Google

    Superpower Google

    Ported version for Firefox of Superpower Google (adapted from Chrome MV3)

    vic-bosse

    30 users

  • Code Beautify

    Code Beautify

    All Developer Friendly tools at your finger tips such as JSON Formatter, XML Viewer, SQL Formatter, Numbers to Words converters.

    Code Beautify

    30 users

  • HTML Live Editor

    HTML Live Editor

    A secure, offline playground to write, run, and test HTML, CSS, and JavaScript in real-time. Features split-view editing and responsive device testing tools.

    DIZE TECH IT SOLUTIONS

    30 users

  • DarkOrbit SID Login

    DarkOrbit SID Login

    DarkOrbit SID Login is an extension to allow you to access DarkOrbit backpage when bot is running. The SID is your SessionID, with this extension you can access your account without the necessity of using username and password.

    TeYroX

    30 users

  • ChatGPT Performance Optimizer

    ChatGPT Performance Optimizer

    Keeps ChatGPT fast in long conversations by unloading older turns from the DOM.

    Huckleboard

    30 users

  • Calculadora Simples

    Calculadora Simples

    Uma calculadora simples com suporte a vírgula como separador decimal.

    LUCELIO GUEDES

    30 users

  • Find Font

    Find Font

    Identifies the font from selected text and lets to download it

    Keepdev

    30 users

  • Apache Cordova online CordovaIDE

    Apache Cordova online CordovaIDE

    Develop Android apps and games over an android emulator online using the Apache Cordova IDE.

    MyAndroid

    30 users

  • FontViz: Inspect fonts with ease

    FontViz: Inspect fonts with ease

    Easily inspect and validate the fonts used on any website or web application

    Foxsense Innovations

    30 users

  • Live CSS Editor Plus

    Live CSS Editor Plus

    Edit and preview CSS changes in real-time directly within the browser.

    Chastity

    30 users

  • CP Calendar

    CP Calendar

    An extension that keeps users updated about Coding or Competitive Programming contests.

    Arjun

    30 users

  • Veo Watermark Remover

    Veo Watermark Remover

    Removes Veo watermarks from AI-generated videos on Google platforms automatically

    magoflaco

    30 users

  • ZapShield - Privacidade para WhatsApp Web

    ZapShield - Privacidade para WhatsApp Web

    Borrão automático de mensagens e fotos. Revele o conteúdo apenas ao passar o rato.

    Wagner Vielmond

    30 users

  • Browser MFA Authenticator

    Browser MFA Authenticator

    A browser extension for multi-factor authentication (MFA) using OTP codes.

    Maurice Gonzalesang

    30 users

  • SalesforceProductionWarning

    SalesforceProductionWarning

    Help Salesforce Developers and Admins to distinguish Sandbox and Production easily by border page red.

    Kealsalas

    29 users

  • Unga Bunga User-Agent

    Unga Bunga User-Agent

    an extension for user agent spoofing with always up-to-date user agents and some nice features

    ShrekBytes

    29 users