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

Log in

9,466 extensions found in Web Development

Filter results
Search results
  • 网页图片批量下载

    网页图片批量下载

    组件可以用来在网页上检测图片如.jpg/.jpeg/.png/.bmp/.webp等各种格式的图片，用户可自由选择这些图片并批量下载这些图片。

    twox911

    199 users

  • Fullscreen anything

    Fullscreen anything

    Let user select element to maximize

    forstjiri

    199 users

  • Chrome Simulator

    Chrome Simulator

    Makes Firefox wear a mask to look like Chrome to websites that otherwise won't work.

    Ariel

    198 users

  • Javascript Control

    Javascript Control

    Add a button in the url bar to block or enable javascript per-site. Default is javascript disabled.

    Erwan Ameil

    197 users

  • Plain Text Linker

    Plain Text Linker

    Opens plain text URLs when you double-click on them.

    Marnes

    196 users

  • Reveal Password

    Reveal Password

    A simple utility to see auto-filled saved passwords with double click on any page. Double click the password and it should show as a plain text.

    NightSurfer

    196 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

    195 users

  • CodeCopy

    CodeCopy

    Because copy to clipboard buttons should exist on every code snippet

    Zeno Rocha

    195 users

  • Word Editor

    Word Editor

    A free & easy-to-use word editor extension for your browser.

    keller

    194 users

  • Font Detect

    Font Detect

    The font-detect extension is a browser add-on that allows users to easily inspect and verify font styles applied to elements when they hover over them on webpages.

    Bozidar Atanasovski

    193 users

  • SecurityHeaders.io Analyser

    SecurityHeaders.io Analyser

    Click to show the score for the current page. Click again to show the full report on our site.

    Scott Helme

    193 users

  • IE NetRenderer button

    IE NetRenderer button

    Displays a snapshot of the current page as viewed in various Internet Explorer versions, provided by IE NetRenderer webservice.

    nico@nc

    193 users

  • EcoIndex.fr

    EcoIndex.fr

    Récupérer facilement les analyses Ecoindex faites sur une page grace au moteur ecoindex.fr

    Vincent Vatelot

    193 users

  • OneDrive (Pin Tab)

    OneDrive (Pin Tab)

    Switch to OneDrive (Pin Tab) with a single click or a Hot Key (Alt+O)!

    Senthil Ponnusamy

    192 users

  • Copy All Links

    Copy All Links

    Copy all links (hrefs) from the current page to your clipboard.

    Qh88

    192 users

  • Inspector

    Inspector

    FOSS extension to read and inspect all cookies and local storage.

    MLOP

    191 users

  • Form Hack

    Form Hack

    Show hidden inputs in HTML pages with this simple addon. The addon was created for testing purposes. In the newer version the name or the id of the hidden input is displayed.

    Leonidas Christou

    191 users

  • URL Params Editor

    URL Params Editor

    This is a tool for web developers. It makes editing URL parameters for long URLs much easier. You can use this tool to view each URL param, add new or delete existing ones.

    Z. W.

    190 users

  • JsonDiscovery

    JsonDiscovery

    Browser extension that changes the way you're viewing JSON

    exdis

    190 users

  • Right Click

    Right Click

    A right-click menu is available for specific actions, and it works on Android as well.

    cuhela

    190 users

  • Design Mode - Page's Rich Text Editor

    Design Mode - Page's Rich Text Editor

    Change any webpage into its design mode (edit mode) where you can modify the content and drag images around like a Word Editor

    Brian

    189 users

  • Search with ChatGPT powered by OpenAI!

    Search with ChatGPT powered by OpenAI!

    Adds a ChatGPT search engine. 'gpt' to start ChatGPT thread.

    zavage

    188 users

  • Restfox CORS Helper

    Restfox CORS Helper

    Help bypass CORS when making requests from Restfox

    Artelin

    188 users

  • Website Downloader - Source Code Copier

    Website Downloader - Source Code Copier

    Download websites source code and assets

    Rexomer

    188 users

  • Text to Speech

    Text to Speech

    Read any selected text in the browser with human-quality text-to-speech (TTS) engines

    Brian

    187 users