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

Log in

11,744 extensions found in Web Development

Filter results
Search results
  • Copy as Python Requests

    Copy as Python Requests

    Copy requests from the devtools network panel as Python requests code for fast traffic mimicing.

    Peace-Maker

    238 users

  • ARB Buyer

    ARB Buyer

    Start and stop automatic order buying

    Anisole

    238 users

  • Custom Site JS

    Custom Site JS

    Run your own (per url or domain) custom JavaScript on sites.

    David Hicken

    237 users

  • Toggle View Source

    Toggle View Source

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

    Salvatore Noschese

    236 users

  • ChatGPT Sidebar

    ChatGPT Sidebar

    Open ChatGPT in the sidebar

    EcksDy

    235 users

  • Extension Manager

    Extension Manager

    Quickly and Easy enable, disable, uninstall, custom group or nickname, star or top and export CSV extensions for Mozilla addons.

    HongyuanCao

    235 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

    235 users

  • Fire Source Viewer

    Fire Source Viewer

    Your rapid source code viewer

    Francesco De Stefano

    235 users

  • Zend Debugger Toolbar

    Zend Debugger Toolbar

    Provides integration with Zend debugging and profiling tools. If you would like to contribute, please visit the project home page: https://github.com/zendtech/zend-debugger-toolbar

    Rogue Wave Software

    235 users

  • Google Gemini + Ecosia-AI + m365 chat Wide Content

    Google Gemini + Ecosia-AI + m365 chat Wide Content

    Toggle max-width between 1200px and Google's and Ecosia's "hardcoded" 760px on gemini.google.com and ecosia.org/ai-search conversations with a simple click on the addon icon in the toolbar!

    Dan

    234 users

  • PinVault Pro – Pinterest Bulk Downloader

    PinVault Pro – Pinterest Bulk Downloader

    Professional Pinterest bulk downloader with AI auto-scroll, dual-interface sync, and smart vault organization for creators.

    Yogeshwar Kumar

    233 users

  • User-Agent Switcher and Simulator

    User-Agent Switcher and Simulator

    Switch browser UserAgent to simulate different devices and browsers

    Muzikasi

    233 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

    233 users

  • LoremGen

    LoremGen

    Get your every day lorem ipsum text faster.

    Colin Espinas

    233 users

  • ViewGrip: For YouTube

    ViewGrip: For YouTube

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

    ViewGrip

    233 users

  • single-spa Inspector

    single-spa Inspector

    A devtools panel for single-spa applications.

    single spa inspector dev

    232 users

  • Rentgen

    Rentgen

    Rentgen illustrates the amount of tracking scripts on a website and helps with formulating an email to the website admin, which can be a basis for a GDPR complaint.

    “Internet. Time to act!” Foundation

    230 users

  • all reload

    all reload

    You can reload all tabs from right clicking context menu.

    kakakikikeke

    230 users

  • Proxy Toggle

    Proxy Toggle

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

    Ben

    229 users

  • Text Spacing Editor

    Text Spacing Editor

    A tool for editing text spacing properties on web pages. WCAG conformance information included.

    Actum, s.r.o.

    229 users

  • Scraper Master - Simple Web Scraping

    Scraper Master - Simple Web Scraping

    Your ultimate companion for effortless web data extraction.

    voxy

    229 users

  • JS Injector

    JS Injector

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

    Francesco De Stefano

    228 users

  • URL Increment Button

    URL Increment Button

    A 1-Click URL Increment Button for your toolbar. Works with or without URL Incrementer.

    Sixcious

    227 users

  • ElemPick - A Selector XPath Element Picker

    ElemPick - A Selector XPath Element Picker

    A simple element picker that can generate CSS Selectors and XPath expressions.

    Sixcious

    226 users

  • Image Map Editor

    Image Map Editor

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

    Heinz-Jürgen Boms

    226 users