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

Log in

9,506 extensions found in Web Development

Filter results
Search results
  • Proxy Port

    Proxy Port

    Automatic proxy rotation for anonymity and browsing blocked resources. VPN for your browser.

    Proxy Port

    19 users

  • 网页版输入法

    网页版输入法

    这是一个简易的网页版输入法，主要在docker安装的浏览器里面使用,shift键:切换中英状态,ctrl键:切换成英文状态

    apoy

    19 users

  • Tracking Timer

    Tracking Timer

    It's easy to track time! This extension allows you to create one or more timers, directly in the browser. Ideal for those moments when you need to track time right away.

    Roy Tettero

    19 users

  • Go Up

    Go Up

    This browser extension jumps to the upper directories of the current URL

    tomarin

    19 users

  • StarterTab - Your next New Tab

    StarterTab - Your next New Tab

    A fully customizable webapp to replace your 'New Tab' homepage.

    allig256

    19 users

  • Domain Switcher

    Domain Switcher

    Easily switch domains between development, staging, production or other environments of projects.

    ziqia

    19 users

  • Table to CSV

    Table to CSV

    Converts tables on any webpage to CSV or JSON

    Sudharsan GS

    19 users

  • Web Content Downloader

    Web Content Downloader

    A convenient browser extension that helps users quickly download and save web contentWeb Content Downloader is a powerful browser extension designed to enhance your web downloading experience. Key features include:\n\n• Batch Download: Download multi

    bitworry

    19 users

  • Download Virus Checker+

    Download Virus Checker+

    Automatically check all the downloads files against well-known anti-viruses using VirusTotal API.

    OT

    19 users

  • ChatGPT Account Switcher

    ChatGPT Account Switcher

    Quickly switch between multiple ChatGPT accounts. Made by SkipSchool.

    SkipSchool

    19 users

  • WPlaceTools 26.08.2025

    WPlaceTools 26.08.2025

    Cross-browser extension

    Hakimjon3d

    19 users

  • G-Script - Scriptwriting in Google Docs

    G-Script - Scriptwriting in Google Docs

    Scriptwriting in Google Docs! G-Script is a browser extension that allows you to use screenwriting shortcuts and scene & dialogue counter in any Google Doc.

    Wildcard

    19 users

  • Beagle Security Web Assessment

    Beagle Security Web Assessment

    Find surface level vulnerabilities in your web applications. Run a free website security assessment and gain a preliminary understanding of your application’s security posture.

    Beagle Security

    19 users

  • HubSpot Cache Buster

    HubSpot Cache Buster

    Reloads the tab with a random hsCacheBuster query parameter to bypass cache.

    Anastasios Periklis Boutalis

    19 users

  • JSON[B] Viewer

    JSON[B] Viewer

    JSON[B] is a editor online web-based tool to view, edit, format, transform and diff JSON documents.

    Luewell

    18 users

  • Etsy OpenSearch Engine

    Etsy OpenSearch Engine

    Search engine for etsy.com with a theme responsive icon.

    aminomancer

    18 users

  • Lifetime Deal Alert for AppSumo & Dealify

    Lifetime Deal Alert for AppSumo & Dealify

    Get notifications of new lifetime deals from AppSumo, Dealify.com and more + Exclusive Freebies!

    Dealify

    18 users

  • File form filler

    File form filler

    Extension to form filling by uploaded csv

    CSV Form Filler

    18 users

  • Nudiflorum: display absolute date on GitHub

    Nudiflorum: display absolute date on GitHub

    Display absolute date and time in GitHub.

    Masataka Yakura

    18 users

  • Search in StackOverflow Only

    Search in StackOverflow Only

    Uses duckduckgo to search your query in StackOverflow only

    Jolinkomo

    18 users

  • Old Github UI

    Old Github UI

    GitHub changed their UI on 2020-06-23, this extension brings a few items back to their classic look.

    Sreenivasan Ramesh

    18 users

  • Tail Lens for Tailwind: Edit Visually

    Tail Lens for Tailwind: Edit Visually

    Inspect. Edit. Build. Tailwind, right in your browser.

    CMW Labs

    18 users

  • Genealogy Blurring Tool

    Genealogy Blurring Tool

    Automatically blurs sensitive elements on genealogy websites for privacy-minded screenshots and screencasts.

    Genea.ca

    18 users

  • HTMLFilter

    HTMLFilter

    Removes undesirable elements from a web page.

    Baptiste Thémine

    18 users

  • AB Tasty debugger

    AB Tasty debugger

    Debug A/B tests from AB Tasty. Open source.

    Joris Daniel (yoriiis)

    18 users