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

Log in

13,164 extensions found in Web Development

Filter results
Search results
  • Play Origin | Math game Mod Hack

    Play Origin | Math game Mod Hack

    Free Prodigy mod menu — unlock members-only pets, gear & zones, edit gold/level & auto-answer battles. Open-source, no signup.

    Alexey Fedorov

    23 users

  • Beacon

    Beacon

    Generate a report from Beacon (digitalbeacon.co) with a single click

    Beacon

    23 users

  • CthulhuJs (Anti-Fingerprint)

    CthulhuJs (Anti-Fingerprint)

    Generate a new fingerprint with one click, and each window can be a different browser

    li_tof

    23 users

  • IA Helper - AI Assistant

    IA Helper - AI Assistant

    AI assistant with multi-provider support (Ollama, OpenAI, Anthropic, Groq). Context menu, chat, translation, text processing. 100% customizable. Privacy-focused.

    Bruno

    23 users

  • AutoFill Pro-Smart Profile,Recorder

    AutoFill Pro-Smart Profile,Recorder

    AutoFill Pro: Advanced Chrome extension for automatic form filling. Smart profiles, form recorder, 100% secure. Save hours weekly with intelligent auto-fill technology.

    PatilWeb

    23 users

  • Hololive Chat Capturer

    Hololive Chat Capturer

    Capture the translation on Hololive's Livestream chat. Thank you, Translators. 💖

    OT

    23 users

  • Searchfox Search Engine

    Searchfox Search Engine

    Adds Searchfox's mozilla-central index as a search engine.

    Harry Twyford

    23 users

  • Trade Value Calculator

    Trade Value Calculator

    Interactive trade value calculator with values computed by /u/PeakedInHighSkool on the fantasyfootball subreddit

    intersecting_lines

    23 users

  • Шрифторіз

    Шрифторіз

    Detects russian fonts on websites and suggests worthy Ukrainian alternatives. Extension + MCP for AI agents.

    Ukraine in Color

    23 users

  • htmltoExcelSheet

    htmltoExcelSheet

    A add-on to convert html to excel file

    TK

    23 users

  • Bismuth: Color Picker

    Bismuth: Color Picker

    Bismuth is a convenient, information rich and open-source Color Picker. Uses IRO.js

    KraXen72

    23 users

  • Broken Resources Finder

    Broken Resources Finder

    The scope of the Broken Resources Finder WebExtension is to detect unavailable web resources like images or stylesheets by scanning the currently visited website and its embedded stylesheets.

    Bastian Dupps

    23 users

  • Headings, Landmarks & Links

    Headings, Landmarks & Links

    Headings, Landmark Regions and Links

    Jon Gunderson

    23 users

  • OpenCode Browser

    OpenCode Browser

    Lets an OpenCode agent drive this browser through the @vymalo/opencode-browser plugin's localhost bridge.

    SSegning

    23 users

  • Autoclicker HTML Extension

    Autoclicker HTML Extension

    Automatically clicks an HTML element by tag and text. Search for elements that may appear later (like popups) and click them automatically.

    rahul

    23 users

  • Testsigma Recorder

    Testsigma Recorder

    Swiftly record E2E interactions with your web applications and store the actions in plain English-based tests directly on the cloud.

    Testsigma Technologies Inc

    23 users

  • Vider le cache

    Vider le cache

    Vide le cache d'Oktopus, Mycom, ...

    Youlead

    23 users

  • eFPS Auto Clicker (Fast Billing)

    eFPS Auto Clicker (Fast Billing)

    માત્ર ફાસ્ટ બિલિંગ અને ઓટો-ક્લિક માટેનું સ્પેશિયલ એક્સ્ટેન્શન.

    ashvin

    23 users

  • DilterBilter, ChatGPT Search

    DilterBilter, ChatGPT Search

    DilterBilter, a History Conversation Filter, quickly searches and filters your chatGPT chats history

    Yuriy

    23 users

  • S3 Bucket Scanner

    S3 Bucket Scanner

    Detects and categorizes S3 buckets while browsing.

    Jsmon

    23 users

  • BrowserOffice: Distance Measurer

    BrowserOffice: Distance Measurer

    Measure distances between HTML elements

    BrowserOffice

    23 users

  • SVG Collector

    SVG Collector

    Collect and display SVGs from the current page.

    Emre Birkan Kervan

    23 users

  • Web Injector

    Web Injector

    Customize any website by injecting your own CSS and JavaScript. Includes tools for Dark Mode and RTL text fixing.

    Eslam Gomaa

    23 users

  • Session Box

    Session Box

    Создание изолированных контейнеров

    UserName

    23 users

  • StackOverflow Tweaks Tool

    StackOverflow Tweaks Tool

    StackOverflow Tweaks Tool is a browser extension made for developers. The extension provides a small control panel where you can customize the view of the StackOverflow question pages.

    Riccardo Fasan

    23 users