Browser Extension Builder

Browse 125 websites in this category • Page 5 of 7

Sites where Browser Extension Builder is a core feature are shown first, marked with a Core badge.

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igorware.com favicon

Download handy free apps and browser extensions

IgorWare offers free Windows applications and browser extensions, including tools for file joining, system checking, hashing, and audio playback.

hueswitcher.com favicon

Control smart lighting colors from your browser

Hue Switcher lets you easily create and manage browser extensions that control smart lighting colors from your browser, making customization simple.

clipglider.com favicon

Watch videos faster on any website

ClipGlider lets you speed up and control videos on any site or social network, helping you watch content faster and save time every day.

improvedtube.com favicon

Customize YouTube with powerful new controls

ImprovedTube is a free, open-source browser extension that lets you customize and control YouTube with new features and personal viewing options.

vimperator.org favicon

Boost browser productivity with Vim-inspired controls

Explore Vimperator projects for creating efficient, keyboard-driven user interfaces in Mozilla browsers, inspired by Vim's principles and workflows.

lightningjoule.com favicon

Send Lightning payments right from your browser

Joule is a browser extension that lets you make Lightning Network payments and manage your crypto identity directly from Chrome, Firefox, Opera, or Brave.

browsercat.com favicon

Automate browser tasks with a simple API

BrowserCat offers a simple API for browser automation, testing, and web scraping—no need to manage your own servers. Get started quickly and save time.

webscraper.io favicon

Scrape website data with zero coding required

Web Scraper lets you easily collect data from websites using a browser extension and cloud tools—no coding or software downloads needed.

all-io.net favicon

Search multiple engines from one tab

Find webpages, tweets, and videos in one place by searching across multiple engines. Customize your new tab with your favorite search tools.

addons.palemoon.org favicon

Personalize Pale Moon with add-ons and themes

Discover and install add-ons to enhance your Pale Moon browser with new features, themes, and custom tools for a more personalized browsing experience.

jsonview.com favicon

Pretty-print JSON in your browser instantly

View and format JSON data easily in Firefox and Chrome with this open-source browser extension. Makes JSON readable and organized for quick inspection.

stephensuess.com favicon

Discover unique personal projects and tools

Showcase of Stephen Suess's selected projects, including a browser extension for finding old ChatGPT conversations and other personal creations.

amifloced.org favicon

See if Chrome's FLoC tracking is active for you

Check if your browser is part of Google's FLoC ad tracking test. This site helps you quickly see if Chrome's experimental tracking is enabled for you.

activeinboxhq.com favicon

Turn Gmail emails into organized tasks

ActiveInbox transforms Gmail into a task manager by letting you turn emails into tasks, organize them in folders, add notes, and reach inbox zero easily.

crxjs.dev favicon

Create browser extensions with Vite fast

Build Chrome extensions easily with modern tools. CrxJS offers a streamlined workflow for developers creating browser add-ons using Vite and JavaScript.

monica.im favicon

Chat, write, and code with advanced AI models

Monica is an all-in-one AI assistant for chat, search, writing, and coding, available as a browser extension or app using top AI models like GPT-4o and Claude.

dnssec-validator.cz favicon

Check website security with DNSSEC/TLSA validation

DNSSEC/TLSA Validator was a browser add-on that checked website security using DNSSEC and TLSA, helping users verify secure connections in their browser.

i-dont-care-about-cookies.eu favicon

Browse without cookie pop-up interruptions

Remove annoying cookie warnings on most websites with this free browser extension. Easy to install and works with Firefox. Available in several languages.

selectivizr.com favicon

Add CSS3 selectors to IE6-8 with one script

Selectivizr is a JavaScript tool that brings CSS3 selectors to Internet Explorer 6-8, helping older browsers support modern web design features.

getcssscan.com favicon

Copy CSS instantly by hovering over elements

Quickly inspect and copy the CSS of any element on a webpage by hovering over it—no need for Inspect Element. Speed up your web design workflow.