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

Log in

10,106 extensions found in Web Development

Filter results
Search results
  • Full Screen Multiple Monitor

    Full Screen Multiple Monitor

    This addons support to make automatically fullscreen at the startup for modern browser (Quantum version). This addons purposed for dashboard or kiosk system and can work for multiple monitor. First, set the homepage and then viola. all set sail!

    Yohanes AI

    264 users

  • Characters Counter

    Characters Counter

    Find out how many characters there are in a selection by simply right-clicking it.

    Minkiu

    264 users

  • Image Downloader Plus

    Image Downloader Plus

    Image Downloader is a browser extension for easy image downloads. Save images individually or download all images on a page with a single click. Simple, modern interface for seamless image management.

    Vivek Parmar

    261 users

  • Timer Mulp

    Timer Mulp

    Make Timer great again.

    Gilnom

    261 users

  • Proxy Toggle

    Proxy Toggle

    Button to switch between system-set (off) and manually-set (on) proxy.

    Ben

    260 users

  • PixiJS Devtools

    PixiJS Devtools

    Debug games and apps written with PixiJS

    Bob Fanger

    260 users

  • Virtual Hosts

    Virtual Hosts

    Apply virtual hosts and overwrite the Hosts header for development purposes.

    Longoon

    260 users

  • Eye-Able® Audit for WCAG

    Eye-Able® Audit for WCAG

    Check your website for the most common WCAG/ADA errors.

    Web Inclusion GmBH

    258 users

  • Chrome Litchi Virtual Mission

    Chrome Litchi Virtual Mission

    Adds ability to export mission from mission hub as google earth virtual tour

    bazuchan

    256 users

  • EyeBankWeb Plugin Adapter

    EyeBankWeb Plugin Adapter

    This add-on allows FireFox to call the locally installed IrisGuard EyeBank APIs using native messaging, giving the user full functionality of all IrisGuard EyeBank APIs calls such as capturing iris images and doing a recognition.

    Firefox user 13251731

    256 users

  • Webcompat.com Reporter

    Webcompat.com Reporter

    Adds a button to allow users to easily report site compatibility issues at webcompat.com, for the active tab.

    Thomas Wisniewski

    256 users

  • Link Analyzer

    Link Analyzer

    Analyze the status of the links in a complete webpage or in selected text.

    damufo

    256 users

  • SeLite SQLite Connection Manager

    SeLite SQLite Connection Manager

    It manages SQLite DB connection(s). It can be used with other extensions from SeLite family, or on its own.

    Peter Lyons Kehl

    256 users

  • Performance-Analyser

    Performance-Analyser

    Get insight into the performance of the website in the current tab - sort of a mini live version of WebPageTest.

    Michael Mrowetz

    255 users

  • Material Design Colors Picker

    Material Design Colors Picker

    Copy a Material Design Color in one click in either #HEX, HEX, RGB and RGBA format.

    Alexandre CIPOR

    255 users

  • Website Technology Detector

    Website Technology Detector

    Detects technologies used in websites

    Sumalya Chatterjee

    254 users

  • HTML Content Blocker

    HTML Content Blocker

    Blocks desired HTML contents (script, style, image, object, media)

    ilGur

    253 users

  • Toggle View Source

    Toggle View Source

    Toggle 'view-source:' on the current URL to view or revert the page source code.

    Salvatore Noschese

    252 users

  • SnapOSINT

    SnapOSINT

    A snappy OSINT (open-source intelligence) searching tool that turns your search bar into a dedicated OSINT engine. This add-on is designed to save you time during your osint investigation.

    m4ny0p

    252 users

  • Image Map Editor

    Image Map Editor

    Check and editing the image maps inside the web page with magnifying glass.

    Heinz-Jürgen Boms

    251 users

  • 谷歌服务助手

    谷歌服务助手

    主要用于开发者访问Google 、Android等网站，简单易 使用，自由零距离。如果你是一名学者，你也可以用于 学术用途访问谷歌学术。值得注意的是这款附加组件并 不支持访问搜索结果中的所有网站，非常抱歉。如果你 想继续访问，可以尝试通过使用在线代理工具或安装支 持全局代理的火狐插件， 如Hoxx VPN。 插件来源于Chrome拓展商店，联系侵删。

    仰望星空

    250 users

  • all reload

    all reload

    You can reload all tabs from right clicking context menu.

    kakakikikeke

    250 users

  • Remove css from website

    Remove css from website

    Removes css from website. Remove inline styles, stylesheets, add custom styles.

    Michal Szczepanski

    249 users

  • Heading Tag Markup

    Heading Tag Markup

    This extension visual highlights the h-Tag on every page.

    Thomas Czernik

    248 users

  • LoremGen

    LoremGen

    Get your every day lorem ipsum text faster.

    Colin Espinas

    248 users