Accessibility-first browser & computer use for AI agents — one MCP server for every harness (Codex, Claude Code, OpenCode, Antigravity). Instruments the DOM/accessibility tree via CDP instead of screenshot loops: diffed snapshots, stable element refs, trusted input, typed errors. Zero dependencies
Unofficial Grok Bot browser extension — capture web pages, screenshots and social posts, collect context, and send it to your BOTs. / Grok Bot 第三方网页采集与聊天助手。
Zen browser mod: pulls tabs from your chosen sites to the top of the sidebar under colored, collapsible headers.
Learn languages from the English you already read: Claude Code, Codex, claude.ai, ChatGPT and Chrome
Several routes on Neshan map at once, compare them, and find a meeting point on the way (Chrome/Firefox extension)
Bulk-create Notion accounts and auto-wire each into 9Router as an OpenAI-compatible AI provider. Zero-dependency Node toolkit: disposable-email signup, automatic session/token/cookie extraction, and one-command 9Router registration.
Automated auditing, performance metrics, and best practices for the web.
🌈谷粒-Chrome插件英雄榜, 为优秀的Chrome插件写一本中文说明书, 让Chrome插件英雄们造福人类~ ChromePluginHeroes, Write a Chinese manual for the excellent Chrome plugin, let the Chrome plugin heroes benefit the human~ 公众号「0加1」同步更新
Web Extension for saving a faithful copy of a complete web page in a single HTML file
猫抓 浏览器资源嗅探扩展 / cat-catch Browser Resource Sniffing Extension
daily.dev is the personalized developer news feed and community. Get the best tech content from all over the web in your browser new tab or on mobile. Free and open source.
The free and privacy-friendly screen recorder with no limits 🎥
Chrome Extensions Samples
Chrome extension to return youtube dislikes
📦 Workbox: JavaScript libraries for Progressive Web Apps
Integrating ChatGPT into your browser deeply, everything you need is here
Essential metrics for a healthy site.
Catch CSS curve balls.
Automate running Lighthouse for every commit, viewing the changes, and preventing regressions
Stylus - Userstyles Manager
Map your keys for web surfing, expand your browser with javascript and keyboard.
A repo containing samples tied to new functionality in each release of Google Chrome.
😍FeHelper--Web前端助手(Awesome!Chrome & Firefox & MS-Edge Extension, All in one Toolbox!)
A high-performance, 100% client-side tool for removing Gemini AI image & video watermarks. Built with pure JavaScript using mathematically precise Reverse Alpha Blending. / 基于 JavaScript 的纯浏览器端 Gemini AI 图像和视频无损去水印工具,使用数学精确的反向 Alpha 混合算法
Chrome扩展:支持GPT(Codex) / kiro / Grok自动注册、相关反代项目(CPA/Sub)回调上传
YouTube / Video Browser-Extension. [Top1 FOSS.] Enrich your experience & choice! 🧰Smart features📌set & forget📌300+ tweaks. Longest-standing. Join🧩us?👨👩👧👧 ⋮ {playback|discovery|extra player buttons|quality|codec|full tab|full screen|no distraction|shorts}
Reddit Enhancement Suite
HTML5 video speed controller (for Google Chrome)
Greasemonkey scripts ( Pagetual / Picviewer CE+ / DownloadAllContent ) 油猴腳本集 ユーザースクリプト集
《专 业 团 队》🕺🏿 🕺🏿 🕺🏿 🕺🏿 ⚰️🕺🏿 🕺🏿 🕺🏿 🕺🏿 | 专治 CSDN 广告与各种灵魂打击 | 🐵 油猴脚本 | TamperMonkey | Chrome | FireFox | CSDN 页面浮窗广告完全过滤净化 | 国服最强 CSDN 绿化脚本
Debloated fork of the extension "I don't care about cookies"
scanner detecting the use of JavaScript libraries with known vulnerabilities. Can also generate an SBOM of the libraries it finds.
Privacy Badger is a browser extension that automatically learns to block hidden trackers
Gmail JavaScript API
Don't waste your time with compliance. FastForward automatically skips annoying link shorteners.
A node.js library for testing modern web applications
📖 A curated list of Awesome Userscripts.
A tool to install, manage and use Progressive Web Apps (PWAs) in Mozilla Firefox
Extension to return old Twitter layout from 2015 / 2018.
A blazing fast & offline frontend code editor
Browser extension which gives you more control over your Twitter timeline and adds missing features and UI improvements - for desktop and mobile
Paw Work - selection-first web agent for Chrome: select on the live page, describe the outcome, take away an editable office file. BYOK, sandboxed, no server.
Headless Chromium-based web performance metrics collector and monitoring tool
Browser extension that routes ipfs:// addresses and content-addressed websites through your own local IPFS node
Google Chrome extension for zooming images on mouse hover
JavaScript (engine) Version Updater
A browser extension for the Motrix Download Manager and its forks
Connect your browser to AI models. Just use Dia on Chrome, Arc or Firefox.
The headless Chrome/Chromium driver on top of Puppeteer. Take screenshots, generate PDFs, extract text and HTML with a production-ready API.
An awesome browser extension that reads aloud webpage content with one click
Ghostery Browser Extension for Firefox, Chrome, Opera, Edge and Safari
A powerful browser extension to create, edit and delete cookies
Browser-native side panel for Hermes Agent — connect web context to your local Hermes runtime.
A chrome extension to show online dictionary content.
Chrome DevTools Protocol
A User-Agent spoofer browser extension that is highly configurable
The ultimate theme manager for Firefox-based browsers.
Open-source AI browser agent for Chrome and Firefox (monorepo) 🧠
A simple Chrome (and Firefox) Extension that converts Web Novels (and other web pages) into an EPUB.
DuckDuckGo Privacy Essentials browser extension for Firefox, Chrome.