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10,350 extensions found in Web Development

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  • Check Wordpress Version

    Check Wordpress Version

    Check what version of WordPress a web page is powered by

    Francesco De Stefano

    129 users

  • Video Speed Controller

    Video Speed Controller

    Control the playback speed of videos on any HTML5 video player.

    video for web

    128 users

  • Email Extractor

    Email Extractor

    Extract, view, and save email addresses from the current webpage.

    Libor Benes (Dr. B)

    128 users

  • OPFS Browser

    OPFS Browser

    View and edit the OPFS file system in the debug tools.

    JCHU634

    128 users

  • Profile Manager Pro – Turbo Login, Smart Control

    Profile Manager Pro – Turbo Login, Smart Control

    Advanced profile management for your favorite websites. Easily switch between multiple profiles, manage cookies, and enhance your browsing experience.

    Profile Manager Pro

    127 users

  • Plugin and Extension Manager

    Plugin and Extension Manager

    Manage and track plugins and extensions used on websites.

    Joshua Adams

    126 users

  • TwineHacker z

    TwineHacker z

    Allows you to change font/style; also adds cheats

    akapierrorwhat

    126 users

  • Check iframe

    Check iframe

    Firefox add-on that indicates if the current web page uses iframe and frame tags. Meaning of the icon colors: gray (not checked), green (no tags), orange (tags), purple (source list matches). The add-on can scroll and redirect to the tag elements.

    CarlosAMolina

    126 users

  • Copy Paste Cookie Extension

    Copy Paste Cookie Extension

    Copy / Paste cookie values from a website to another through clickboard. Commonly used for test server to localhost.

    Copy Paste Cookie Extension

    126 users

  • OpenRPA

    OpenRPA

    Support extension for OpenRPA

    Allan Zimmermann

    125 users

  • TokenBear

    TokenBear

    A simple way to copy Bearer tokens (and other Authorization header values). The extensions adds a new panel to the Developer tools, that shows all requests with the 'Authorization' header and the header value. Also a 'Copy' button for easy copying.

    Nejc P.

    125 users

  • CSS Reload

    CSS Reload

    Simplifies stylesheets reload of the current page.

    Стоян Димитров

    125 users

  • AWS role switch

    AWS role switch

    Browser plugin to quickly switch between roles on the AWS console

    Jan

    124 users

  • Cisco Web Communicator

    Cisco Web Communicator

    Enable Web applications integrated with Cisco Jabber voice and video to use the Cisco Web Communicator add-on.

    cisco.jabbersdk

    124 users

  • NotExp

    NotExp

    This extension converts OneNote notes to Xournal++ and RNote notes with only a few clicks required.

    nico9889

    123 users

  • File System Access

    File System Access

    The File System Access API allows web apps to interact with files on the local device.

    sycxyc

    123 users

  • GenPass - Smart password generator

    GenPass - Smart password generator

    GenPass - Smart password generator lets you to create a strong easy remembered password of high cracking resistance.

    Firefox user 12907851

    122 users

  • Geek Sidebar - Free DeepSeek & Bookmark Sync

    Geek Sidebar - Free DeepSeek & Bookmark Sync

    Write smarter with ChatGPT, Claude, Grok & DeepSeek.All-in-one AI, smart bookmarks,and tools—clean up links, check pages, summarize, analyze docs, screenshots.Your sidebar just leveled up.

    极客侧边栏

    122 users

  • What Font OLI

    What Font OLI

    View computed font attributes. Toggle from context menu.

    Kushan Gunasinghe

    122 users

  • Haloscan

    Haloscan

    Retrouvez en 1 clic les principales métriques d'Haloscan.com directement sur votre navigateur Firefox. Cette extension est gratuite, mais elle nécessite une connexion à un compte Haloscan.com pour récupérer les métriques.

    Haloscan

    122 users

  • Flip Video Extension

    Flip Video Extension

    Flip any video on a webpage horizontally with a single click.

    xTeem_Fr0sTy

    122 users

  • Auto Scroll

    Auto Scroll

    Automatically scroll pages at custom speed.

    Auto Scroll

    121 users

  • Location Switcher

    Location Switcher

    Switching between development and production sites.

    Ethan Liu

    121 users

  • BugzillaJS - Tweaks for Bugzilla

    BugzillaJS - Tweaks for Bugzilla

    BugzillaJS adds a number of features to Mozilla's Bugzilla. Keyboard shortcuts, quick file links, inline image/github previews, gravatars and more.

    Gregory Koberger

    121 users

  • Modify Headers DNR

    Modify Headers DNR

    Modify request and response headers through the DeclarativeNetRequest API

    Brawl

    120 users