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

Log in

12,085 extensions found in Web Development

Filter results
Search results
  • ModHeader By GreatJIN

    ModHeader By GreatJIN

    Modify, remove, and inspect HTTP request headers with local profile-based rules using blocking webRequest.

    Byungsoo JIN

  • DirectLink - Ad-Gate & Shortener Bypass

    DirectLink - Ad-Gate & Shortener Bypass

    Skip ad-gates, countdown timers, and multi-step redirect chains from link shorteners and land directly on the real destination link. Fully local, no data collection.

    R0CKABILLY

  • Custom CSS rules

    Custom CSS rules

    A Firefox extension to inject custom CSS into any website.

    sina

    3 users

  • iWordCraft - AI Detector & Writing Coach

    iWordCraft - AI Detector & Writing Coach

    100% AI detection. Zero false positives. Tested against 50+ LLMs. Privacy-first — your text never leaves your control.

    iWordCraft LLC

    3 users

  • Page Image Grabber

    Page Image Grabber

    Scan any page for images, filter by size and type, skip tiny icons, download one-by-one or as a ZIP—settings saved between sessions.

    Grabber media

    3 users

  • BookyyTV

    BookyyTV

    Notifie quand le CEO est en live Recevez des notifications instantanées lorsque votre streamer Twitch préféré, BookyyQLF, est en direct. Accédez rapidement au flux et au chat directement depuis votre navigateur.

    Marksman

    3 users

  • SGM+

    SGM+

    Shoutbox height is adjustable to meet your needs, preview personal chat color before applying and couple of annoying stuff fixed.

    Chai

    3 users

  • WebLabeler

    WebLabeler

    WebLabeler helps you visually label websites and browser tabs by environment (dev, test, staging, prod). Customize labels, favicon badges, and domain rules to quickly distinguish tabs and avoid working in the wrong environment.

    nfdff

    3 users

  • Keyword Density & Word Frequency Analyzer

    Keyword Density & Word Frequency Analyzer

    Keyword Density & Word Frequency Analyzer Analyze keyword density and word frequency to help optimize your content.

    Sourabh Nagori

    3 users

  • SEO Analyser

    SEO Analyser

    Instant SEO analysis and scoring for any webpage with real-time feedback

    Todacu

    3 users

  • Code tours Github

    Code tours Github

    Allows to run code tours in your browser

    Quentin Ménoret

    3 users

  • GitHub Code Wiki (Unofficial)

    GitHub Code Wiki (Unofficial)

    Add a button to quickly access Code Wiki from GitHub repositories

    yamadashy

    3 users

  • Todo.is | Todo List - Tasks & Project Manager

    Todo.is | Todo List - Tasks & Project Manager

    Todo.is browser extension to open your To-do List - Tasks & Project Management in a new window.

    AWS

    3 users

  • Minter Link

    Minter Link

    Minter Link — Minter Blockchain Multi Wallet & DApps connect

    Minterscan

    3 users

  • _NCC Cookie для Битрикса

    _NCC Cookie для Битрикса

    Дополнение для web-разработчиков на Битрикс. Позволяет быстро установить/удалить служебную Cookie (_NCC) которая блокирует технологию композитный сайт в системе управления сайтом Битрикс.

    GoodProgrammist

    3 users

  • CDN-JS Redirector

    CDN-JS Redirector

    把各种网页常用的第三方JS库的网络请求直接重定向到cloudflare和unpkg，利用缓存命中减少不必要的不同平台CDN对同一个JS库的重复请求，也可以处理某些CDN(比如googleCDN)在部分地区无法访问的问题。

    TYZ

    3 users

  • seochaxun

    seochaxun

    查询当前网站的详细信息，包括流量、关键词、服务器、备案等详细信息。中国站长必备工具。

    惆怅的老李

    3 users

  • TechDetector Pro

    TechDetector Pro

    Identify web technologies used on any website

    Ruthanne

    3 users

  • 短视频懒人起号神器

    短视频懒人起号神器

    抖音、快手、哔哩哔哩等平台起号辅助；1、粉丝自动回关2、删除不互关的白瓢党3、自动添加互关的用户4、自动回复其他用户的评论5、自动给互关其他用户评论

    wulechun

    3 users

  • Dive Scope

    Dive Scope

    HTML measurement

    DiveScope

    3 users

  • Color Theory

    Color Theory

    An extension to help with choosing and understanding colors.

    Digitalladybug

    3 users

  • ChatGPT Code Wrap

    ChatGPT Code Wrap

    Add a per-block word wrap toggle to ChatGPT, Claude, and Gemini code blocks. No more horizontal scrolling!

    Maoli

    3 users

  • ИИ анализатор содержимого

    ИИ анализатор содержимого

    Используя OpenAI или свой локальный LLM (совместимый с OpenAI), позволяет анализировать содержимое страницы по вашим сохранённым промптам. После этого, ИИ может разобрать и вставить данные в произвольную форму.

    wokenlex

    3 users

  • CacheBuster Pro

    CacheBuster Pro

    Efficiently manage and clear browser cache for streamlined development testing.

    NOHU90

    3 users

  • bcons - PHP debug helper

    bcons - PHP debug helper

    Use the browser Console API in your PHP code to assist with debugging server-side issues. Errors, warnings, payload, cookies, and session data are also displayed.

    bcons

    3 users