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

Log in

13,052 extensions found in Web Development

Filter results
Search results
  • Monochromer

    Monochromer

    This extension makes web site monochrome.

    xia_sava

    176 users

  • Media Extractor Pro

    Media Extractor Pro

    Extracts all .mp4 files from a webpage.

    Alice Sn0w

    176 users

  • xStyle

    xStyle

    Restyle the web with xStyle, a user styles manager. With xStyle you can install themes & skins for many sites and create your own.

    泷涯

    176 users

  • ViewCached

    ViewCached

    Checks the cached version of the site on ViewCached.com

    Giant Anchovy Solutions

    176 users

  • Assets CDN

    Assets CDN

    国内标准Firefox浏览器加速扩展

    saowang

    175 users

  • Browser History Export

    Browser History Export

    Export your browser history in an safe format.

    Dries Depoorter

    174 users

  • a11y.css accessibility checker

    a11y.css accessibility checker

    a11y.css provides warnings about possible risks and mistakes that exist in HTML code through a style sheet. This extension also provides several accessibility-related utilities. see https://github.com/ffoodd/a11y.css/tree/webextension for details

    Stephane Deschamps

    174 users

  • MozBar

    MozBar

    MozBar: The All-In-One SEO Toolbar Analyze SEO metrics, audit on-page elements, and track Domain Authority in real-time.

    Moz

    174 users

  • Restfox CORS Helper

    Restfox CORS Helper

    Help bypass CORS when making requests from Restfox

    Artelin

    173 users

  • all-in-one

    all-in-one

    Facility for providing suite of tools for handling web components e.g. standard formats HTML, RSS, M3U8, and more.

    Firefox user 15314155

    173 users

  • Passwork Auto Logon

    Passwork Auto Logon

    Use your Passwork accounts to auto signin on web sites in one click.

    Passwork

    173 users

  • Burp Proxy Toggler

    Burp Proxy Toggler

    The Burp Proxy Toggler is an extension for BurpSuite designed for ethical hackers and penetration testers. It enhances security assessments with robust interception and analysis capabilities, streamlining workflows and improving application.

    Sourabh Singh

    172 users

  • Show YouTube Dislikes and Unlisted Videos

    Show YouTube Dislikes and Unlisted Videos

    Miss the ability to see dislikes? Want to have a quicker method of seeing unlisted videos or discover new ones? Now you can have all those things for free!

    stressedyoda

    172 users

  • MDN Search

    MDN Search

    To use, type 'mdn' plus your search term into the url bar. Works for JavaScript and CSS reference articles.

    Bryan Clark

    172 users

  • Edit

    Edit

    Format Text, Replace, Insert HTML, BBCode, Markdown & Custom Texts

    erosman

    172 users

  • Autofill for Code Web Chat

    Autofill for Code Web Chat

    Got tired with copy and paste? Enable prompt autofill!

    Robert Piosik

    172 users

  • 🧚🏻‍♀️Copy Genie

    🧚🏻‍♀️Copy Genie

    Bypass web restrictions with one click and copy-paste freely.

    Spirit Fox Lab

    172 users

  • GrowthBook DevTools

    GrowthBook DevTools

    GrowthBook DevTools helps you debug feature flags and experiments and design A/B tests visually — all from your browser.

    GrowthBook

    172 users

  • DataLayer Monitor

    DataLayer Monitor

    Logs all dataLayer.push and gtag() events to the console for debugging purposes.

    David Bethlen

    172 users

  • DevTools z-index

    DevTools z-index

    Adds "z-index" panel to DevTools. It shows ranking of elements sorted by z-index value. This would help you to reduce z-index numbers. Stop `z-index: 999999` !!

    Ginpei / ギンペイ

    171 users

  • ChatGPT - Auto RTL Checker

    ChatGPT - Auto RTL Checker

    افزونه فعلی دچار یک انقلاب شده است؛ اکنون به‌صورت سوپر گلوبال عمل می‌کند، متون فارسی را خودکارراستچین میکند . RTLChecker has been radically upgraded: it is now super global, automatically sets RTL for Persian text.

    Abolfazl Mousavi

    171 users

  • Behind the Curtain

    Behind the Curtain

    A Firefox extension supposed to help you find the backend IP-Address of a website proxied by Cloudflare. Also allows you to gather a lot more information about the website, like querying info from crt.sh, Shodan and more.

    DAMcraft

    170 users

  • Fullscreen anything

    Fullscreen anything

    Let user select element to maximize

    forstjiri

    170 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

    170 users

  • CodeCopy

    CodeCopy

    Because copy to clipboard buttons should exist on every code snippet

    Zeno Rocha

    169 users