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

Log in

11,670 extensions found in Web Development

Filter results
Search results
  • Analyze address/URL

    Analyze address/URL

    Click an address bar button to see how the address (URL) is built up, including a list of query parameters. Click an item to copy it. Uses the new Firefox 'proton' style, responsive to Dark mode and Themes.

    Jim Danner

    6 users

  • GitHub Story Points

    GitHub Story Points

    Browser extension to see story points in GitHub projects

    banyan

    6 users

  • Diccionario rápido RAE

    Diccionario rápido RAE

    Esta extensión te ayuda a saber rápidamente el significado de la palabra seleccionada en el diccionario de la RAE

    todomagichere

    6 users

  • Copy Link Text

    Copy Link Text

    Option 'Copy Link Text' on right-click menu for link elements.

    Raul

    6 users

  • Dimension

    Dimension

    Giving you the window dimensions live!

    Anime no Sekai

    6 users

  • MetricBlocker

    MetricBlocker

    Блокирует Яндекс метрику, также Google Analytics и трекинг от mail.ru

    Rinat

    6 users

  • AiK Seo bar

    AiK Seo bar

    An webextension for basic SEO needs. Russian interface only. Добавляет нумерацию к SERP Яндекса и Google, подсвечивает rel=nofollow и ссылки в блоках noindex. Позволяет передавать адрес текущей страницы или домена на анализ в различные сервисы.

    Artyem V. Shkondin

    6 users

  • Web Element Modifier

    Web Element Modifier

    Modify any HTML element on a webpage and save your custom changes.

    SincereTap

    6 users

  • Lazy Apply

    Lazy Apply

    Automate LinkedIn Easy Apply job applications with smart answers and tracking

    Chronos

    6 users

  • Show Cookie

    Show Cookie

    An extension which shows cookies in the current tab

    Aixil

    6 users

  • New Window CSS Editor

    New Window CSS Editor

    Edit CSS in a separate window and apply changes inline

    Alex

    6 users

  • Web Recorder for Rocketbot

    Web Recorder for Rocketbot

    Rocketbot extension to record actions in the browser

    Rocketbot

    6 users

  • DownloadGPT

    DownloadGPT

    Privacy-first add-on that is great for downloading your chats (in HTML format for now) from ChatGPT.com in a safe and secure manner.

    Krishi

    6 users

  • Soba - YouTube Comments as a Sidebar

    Soba - YouTube Comments as a Sidebar

    Watch YouTube Videos with your Comment Section as a Sidebar

    renaro076

    6 users

  • AraKey: Arabic Virtual Keyboard

    AraKey: Arabic Virtual Keyboard

    A professional Arabic Virtual Keyboard for typing in any input field.

    Hamid Fenzi

    6 users

  • CookiePeek

    CookiePeek

    View, decode, edit, and export cookies in one click. JWT decode, anti-detect ready export, zero telemetry.

    301.st

    6 users

  • Photo Editor - By Mr.Bear

    Photo Editor - By Mr.Bear

    A full-featured image editor right in your browser. Draw, paint, select, crop, and export with layers, filters, and 20+ Photoshop-style tools, all without leaving Firefox.

    Mr.Bear

    6 users

  • Acoustic Signal Composer

    Acoustic Signal Composer

    With the Signal Composer extension, you can define signals directly on a live website preview in Acoustic Connect.

    Tealeaf by Acoustic

    6 users

  • Simple Redirect

    Simple Redirect

    Simply redirect all requests from one url to another.

    Antiquete

    6 users

  • GitLab Markdown Copy

    GitLab Markdown Copy

    A Firefox extension that adds a button next to GitLab issue action buttons to copy the issue link in Markdown format.

    Felipe

    6 users

  • HAR/JSON viewer 88

    HAR/JSON viewer 88

    Visualizes HTTP Archive (HAR) files opened locally or online. Also features JSON tree view for HAR and any structured JSON files.

    WW88 - NHÀ CÁI UY TÍN MỚI NHẤT 2025

    6 users

  • Virtual Hosts (fork)

    Virtual Hosts (fork)

    Apply a virtual hosts file for development purposes.

    Anon

    6 users

  • 图片采集收藏

    图片采集收藏

    快速批量采集收藏网页上自己喜欢的各种图片，并永久保存到服务器，方便以后随时查找

    wulechun

    6 users

  • YouTube: No Shorts, No Community, No Nonsense

    YouTube: No Shorts, No Community, No Nonsense

    Disables different sections for a more enjoyable experience.

    Oh Thomas

    6 users

  • Time Machine

    Time Machine

    An extension to slow down or speed up your browser.

    TheLazyCat

    6 users