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

Log in

12,236 extensions found in Web Development

Filter results
Search results
  • Automation Web Helper 4 AI

    Automation Web Helper 4 AI

    Для помощи в автоматизации задач и обучении ИИ через анализ веб-страниц. Работает как инструмент для разработчиков, тестировщиков и всех, кто хочет упростить взаимодействие с веб-контентом.

    uwu

    0 users

  • Comfortable Web Colors

    Comfortable Web Colors

    Adjust website colors to create a soothing browsing experience.

    Mira

    0 users

  • Simple CSS Injector

    Simple CSS Injector

    Custom CSS injector with a resizable, dark-themed editor panel and per-domain storage.

    Weary Galaxy

    0 users

  • Archive.org linker

    Archive.org linker

    Convert links within Stack Exchange answers to archive.org links at the time the answer was posted.

    Darvid

    0 users

  • Vigil

    Vigil

    Overrides page visibility, lifecycle, focus, and intersection APIs for testing and debugging.

    Zigrun

    0 users

  • BOJ Performance

    BOJ Performance

    백준 온라인 저지(BOJ) 채점 현황에 내 코드의 성능(실행 시간, 메모리) 위치를 그래프로 시각화합니다.

    Kyunghyun Kang

    0 users

  • Itavy-o

    Itavy-o

    Browser extension to add a more secure input of the pin in itau.com.py

    Pedro Flores

    0 users

  • Spacebar Counter Pro

    Spacebar Counter Pro

    Test how fastTest how fast you can press the spacebar with a simple, fast, and accurate real-time counter. you can press the spacebar with this simple and beautiful counter.

    george

    0 users

  • Reviu - Open in App

    Reviu - Open in App

    Open GitHub repos, pull requests, and issues directly in the Reviu desktop app with one click.

    Reviu

    0 users

  • Metavision

    Metavision

    Preview Open Graph and Twitter metadata on localhost in real time

    rondevz

    0 users

  • HashGen

    HashGen

    A privacy-focused sidebar for generating cryptographic hashes and Base64 encoding. Features SHA-1, SHA-256, SHA-384, SHA-512 algorithms with full offline operation. Includes text selection, auto-copy, and context menu integration. No data collection.

    Libor Benes (Dr. B)

    0 users

  • LeetMentor

    LeetMentor

    Your own LeetCode Mentor. Get hints, error analysis, and logic verification to master algorithms without spoilers.

    Chirag Adve

    0 users

  • Selected Text & Page

    Selected Text & Page

    Dịch nhanh: đoạn bôi đen hoặc cả trang. Chọn ngôn ngữ đích (mặc định VI). Popup tự điền nội dung đã chọn, menu chuột phải tiện dụng.

    33win68comco

    0 users

  • Quick Calculator Special

    Quick Calculator Special

    Perform quick calculations directly in your browser.

    Juan Foster

    0 users

  • QR Code Generator (by QRBYT)

    QR Code Generator (by QRBYT)

    Generate QR codes instantly — free, customizable, and ready to download.

    QRBYT

    0 users

  • CSEV SiteTracker Tools

    CSEV SiteTracker Tools

    v3.4 - SiteTracker toolbar with sidebar toggle, scroll controls, CO filter, owner filter, scrollbar, copy email button

    ChargeSmart EV

    0 users

  • SnapAI: Sidebar for Claude

    SnapAI: Sidebar for Claude

    Claude AI sidebar — summarize, translate, explain any page. Right-click actions, BYOK, privacy-first.

    Scanner Foncier Pro

    0 users

  • AlgoTrack — LeetCode Capture

    AlgoTrack — LeetCode Capture

    Automatically captures accepted LeetCode submissions and sends them to AlgoTrack.

    Aditya Aryan

    0 users

  • Page Element Hider

    Page Element Hider

    Professional element hiding tool - Click to hide any element on a webpage and save your preferences

    U888

    0 users

  • Magine Bridge

    Magine Bridge

    Securely share specific website sessions with your magine cloud browser so your CatBots can act on already-logged-in sites.

    Sagar4nfs

    0 users

  • tr Ref

    tr Ref

    View, search, and master 143 essential tr command options, character sets, translations, and practical examples with concise descriptions. • Safe offline sidebar reference for Firefox desktop. No tracking. No data collection. No permissions required.

    Libor Benes (Dr. B)

    0 users

  • Change Case by mr.lostov

    Change Case by mr.lostov

    Change Case by mr.lostov — A powerful extension for Firefox that allows you to instantly change the text case (UPPERCASE, lowercase, camelCase, snake_case, etc.) via hotkeys or the context menu. Supports custom ignore and correction lists.

    Manuchehr Jalolov

    0 users

  • Developer Code Monitor

    Developer Code Monitor

    View logs and console outputs of your injected scripts.

    Rayhan Clay

    0 users

  • Dark Mode Swither

    Dark Mode Swither

    Bật/tắt chế độ nền tối cho mọi trang web.

    okfunonline

    0 users

  • Simple Dark ode Toggle

    Simple Dark ode Toggle

    Bật/tắt chế độ tối trên trang hiện tại (lọc màu + nền tối). Đảm bảo icon có đủ trong gói để tránh lỗi.

    bongx9itcom

    0 users