browser-extension

The JavaScript library for ExtensionPay.com — payments for your browser extensions, no server needed.

Synchronizing video play between two peers.

😎 Browser extension that automatically replaces the User-Agent with a randomized one

Fast, open and free-to-use new tab page for modern browsers

Browser Extension Analysis Framework - Scan, Analyze Chrome, firefox and Brave extensions for vulnerabilities and intels

浏览器插件：OneTab、Toby、N-Tab、SessionBuddy、KepTab 等扩展的升级替代品，功能丰富易用 | A nice, convenient, powerful tab manager serving as an upgraded alternative to OneTab, Toby, SessionBuddy, N-Tab，KepTab...

Browser extension that strips Google Analytics (UTM) parameters, and various other click tracking tokens, from URL query strings

AI gets the context. Not your private data. Local-first privacy proxy for browser chat, AI APIs, and coding agents.

🪄 A browser extension that captures your workflow as you click and turns it into a step-by-step guide with annotated screenshots 📸

MY NewTab: A Simple New Tab (browser's home page) inspired with Google's 'Material You' design

Capture screenshots, console errors, network issues, and user actions, giving developers full context instantly.

Passive API key and secret discovery browser extension for Chrome and Firefox. 80+ detection patterns, zero config.

Take control of your tabs

A browser extension that allows users to call the local player to play the movie directly on the movie details page of javdb.com (NSFW)

🔍 Extension that detects which JavaScript libraries are running on a page

📚 A customizable dictionary extension that supports double-click lookups in 20+ languages, 1000+ dictionaries, text-to-speech, translation and Anki integration.

⏩ Fast-forwards long pauses between sentences — watch lectures ~1.5x faster (browser extension)

A Firefox/Chrome add-on for playing URLs in mpv.

Copy AI conversations as clean Markdown Context Bundles — one click from ChatGPT, Claude, Gemini, DeepSeek, Grok & GitHub. Copy from sidebar without opening. Zero upload, 100% local, open source.

Fuji is an AI agent that lives in your browser's sidepanel. You can now get tasks done online with a single command!

An extension that detects starred, safe, unsafe or potentially unsafe sites using the FMHY Filterlist.

The Bitcoin Lightning Browser Extension that brings deep Lightning & Nostr integration to the web. Wallet interface to multiple lightning nodes and key signer for Nostr, Liquid and onchain use.

Open-source adversary emulation for AI agents and MCP servers.

A curated list of Best Awesome Chrome Extensions to boost your productivity in your Browsers

A web extension to save, manage and restore sessions, windows and tabs.

The Hypothesis browser extensions.

Chrome & Firefox extension for Notion to add 20+ features like sticky outline, small text & full width by default, hide comments & help button, bolder text etc. Download here: https://gourav.io/notion-boost

一个可以给几乎任何视频网站添加弹幕的开源软件 | An open source solution to add danmaku to almost every video website

Your AI friend right in your browser

🔰 Example projects that demonstrate how to use the Plasmo Framework and integrate with popular tools