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

Log in

10,922 extensions found in Web Development

Filter results
Search results
  • single-spa Inspector

    single-spa Inspector

    A devtools panel for single-spa applications.

    single spa inspector dev

    263 users

  • 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

    262 users

  • Chrome Litchi Virtual Mission

    Chrome Litchi Virtual Mission

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

    bazuchan

    260 users

  • Fire Source Viewer

    Fire Source Viewer

    Your rapid source code viewer

    Francesco De Stefano

    258 users

  • ViewGrip: For YouTube

    ViewGrip: For YouTube

    We will help you get more YouTube views, subscribers, likes and comments organically.

    ViewGrip

    258 users

  • ChatGPT Sidebar

    ChatGPT Sidebar

    Open ChatGPT in the sidebar

    EcksDy

    257 users

  • Toggle View Source

    Toggle View Source

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

    Salvatore Noschese

    256 users

  • MILK — Cookie Manager

    MILK — Cookie Manager

    Cookie's best friend! Modern cookie manager.

    Rafael Grigorian

    255 users

  • Clipboard History Pro – Clipboard Retrieval

    Clipboard History Pro – Clipboard Retrieval

    Never lose copied text again. Clipboard History Pro instantly saves everything you copy, syncing seamlessly across devices. Quickly organize, search, and paste snippets, boosting productivity and eliminating the frustration of lost clipboard entries.

    Clipboard History Pro

    255 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

    255 users

  • Local Storage Manager

    Local Storage Manager

    Export and import local storage.

    YL

    254 users

  • Fast Auto Clicker

    Fast Auto Clicker

    Automatically clicks the active web page at regular intervals.

    thedoctor

    254 users

  • JS Injector

    JS Injector

    Inject JavaScript custom code into every webpage (e.g. to help with debugging).

    Francesco De Stefano

    254 users

  • Virtual Hosts

    Virtual Hosts

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

    Longoon

    254 users

  • Eye-Able® Audit for WCAG

    Eye-Able® Audit for WCAG

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

    Web Inclusion GmBH

    253 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

    252 users

  • Markdown Diagrams

    Markdown Diagrams

    Renders diagrams and charts code blocks into preview images. Supports many languages: PlantUML, Mermaid, C4, GraphViz, Erd, Nomnoml, BPMN, *Diag, Bytefield, Ditaa, Svgbob, UMlet, Vega, Vega-Lite, WaveDrom.

    Modulo srl

    252 users

  • GitHub + Mermaid

    GitHub + Mermaid

    A browser extension for Chrome, Opera & Firefox that adds Mermaid language support to GitHub.

    Alex Mercier

    252 users

  • responsivo

    responsivo

    A web extension for firefox allowing to view multiple view widths at once. Inspired by Emmet Re:view

    michael.lill

    251 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

  • Timer Mulp

    Timer Mulp

    Make Timer great again.

    Gilnom

    250 users

  • Characters Counter

    Characters Counter

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

    Minkiu

    250 users

  • Clear Cache & Reload

    Clear Cache & Reload

    One-click button to clear site cache and reload the page.

    MM

    249 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

    249 users