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

Log in

11,420 extensions found in Web Development

Filter results
Search results
  • Open in Chromium Browser

    Open in Chromium Browser

    Open current page, link, or all tabs in the Chromium browser.

    Andy Portmen

    154 users

  • Prometheus Formatter

    Prometheus Formatter

    Makes plain Prometheus/OpenMetrics endpoints easier to read.

    Frederic Hemberger

    154 users

  • LinkParser

    LinkParser

    LinkParser helps you analyze the links on the page you are on at that very moment. It can differentiate between 9 different types of links and can mark them in different colors. Very customizable.sdas

    seerobots

    154 users

  • Postwoman 中文版 - REQRES.CN

    Postwoman 中文版 - REQRES.CN

    为使用 Postwoman Web 版应用程序提供更好的体验。 你没用过 Postwoman 吗？这可是一个惊人的，免费、快速、漂亮的 API 测试请求工具。 请访问 https://reqres.cn/

    xlstudio

    153 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

    152 users

  • Febbox UI Token Grabber - willow

    Febbox UI Token Grabber - willow

    Gets the ui token cookie from febbox.com to use on willow

    Thingfoil

    152 users

  • Monochromer

    Monochromer

    This extension makes web site monochrome.

    xia_sava

    151 users

  • Codecov

    Codecov

    Codecov Browser Extension adds Codecov coverage data and line annotations to public and private repositories on GitHub.

    Sentry

    150 users

  • FancyTracker-FF

    FancyTracker-FF

    A browser extension for monitoring and analyzing PostMessages and listeners in web pages.

    Erik Zettergren

    150 users

  • CloudFlare Purge Plugin

    CloudFlare Purge Plugin

    The Cloudflare purge plugin uses the Cloudflare API to purge any page of a website that serves its contents through the Cloudflare CDN. After you set your CF e-mail and API key in the options, you can purge the cache of any page of your website.

    Firefox user 14122462

    150 users

  • Virtual Json Viewer

    Virtual Json Viewer

    JSON browser extension with virtual DOM, search and JQ filtering

    PS

    149 users

  • Formlet

    Formlet

    Saving form data to bookmarklets

    jusuff

    149 users

  • cors-plugin

    cors-plugin

    A simple add-on/plugin to allow developers who might want to make cross origin requests to their APIs from localhost

    Raghudevan

    148 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

    148 users

  • Video Speed Controller

    Video Speed Controller

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

    video for web

    148 users

  • 九头虫数据采集（页面自动化采集）

    九头虫数据采集（页面自动化采集）

    一款强大且<b>免费</b>的数据采集工具能实现：单页数据采集、多页数据采集、接口数据采集、页面自动化操作、支持数据下载（Excel、json） 、支持定时执行

    老虎

    148 users

  • HackSearch Pro

    HackSearch Pro

    Search in some of the ways hackers would to gather google indexed data about your website so that you can secure it yourself.

    Rejah Rehim A A

    148 users

  • Flip Video Extension

    Flip Video Extension

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

    xTeem_Fr0sTy

    148 users

  • Myanimelist Redesign 2

    Myanimelist Redesign 2

    A redesigned user interface for Myanimelist with multiple themes and layout improvements (official new version)

    Project Redesign

    147 users

  • Cookie Helper

    Cookie Helper

    The ultimate privacy manager. Cookie Helper provides seamless integration with our native Cookie manager for macOS. Quickly and easily favorite sites, then easily remove tracking cookies, history, cache and databases for those you don't want.

    SweetP Productions, Inc.

    147 users

  • Sound Meter (Noise & Decibel)

    Sound Meter (Noise & Decibel)

    Measure the surrounding sound (dB) and noise with your computer's microphone!

    Loori

    147 users

  • HAR Export Trigger

    HAR Export Trigger

    Trigger HAR export any time directly from within a page.

    Jan Odvarko

    147 users

  • Scratch 3 Developer Tools

    Scratch 3 Developer Tools

    Scratch 3 Developer Tools to enhance your Scratch Editing Experience on https://scratch.mit.edu

    griffpatch

    147 users

  • SpanTree - GitLab Tree

    SpanTree - GitLab Tree

    Tree view of file directory of repository on Gitlab.

    Vedansh Garg

    145 users

  • ng-inspect

    ng-inspect

    Inspect the angular scope in the developper tools inspector

    Christophe Hurpeau

    145 users