AI writing assistance. Free & open source. Offline English and German grammar checks, with rewrites and translation through your own AI.
Local video workspace for AI scene generation, timeline editing, speech analysis, narration, subtitles, audio mixing, and media management.
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。
Adds missing features to X (Twitter) on the web: layout options, spam reply filter, data badges, writing tools, quick actions. 给 X 网页端补上常用但缺失的功能:页面布局、垃圾回复过滤、数据标注、创作辅助、快捷互动。
:octocat: Browser extension that simplifies the GitHub interface and adds useful features
Web Extension for saving a faithful copy of a complete web page in a single HTML file
Dark Reader Chrome and Firefox extension
猫抓 浏览器资源嗅探扩展 / cat-catch Browser Resource Sniffing Extension
Enhancement suite for Gemini, AI Studio, Claude, ChatGPT & DeepSeek — plus a prompt manager for any website, DeepSeek Harness included. / 面向 Gemini、AI Studio、Claude、ChatGPT 与 DeepSeek 的增强套件;其中的提示词管理器可用于任意网站,如 DeepSeek Harness。
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.
沉浸式双语网页翻译扩展 , 支持输入框翻译, 鼠标悬停翻译, PDF, Epub, 字幕文件, TXT 文件翻译 - Immersive Dual Web Page Translation Extension
The free and privacy-friendly screen recorder with no limits 🎥
Chrome Extensions Samples
Offline, privacy-first grammar checker. Fast, open-source, Rust-powered
Open-source AI agent for web automation. Use your real, logged-in browser to automate daily tasks.
Skip YouTube video sponsors (browser extension)
Chrome extension to return youtube dislikes
🥗 All-in-one professional pop-up dictionary and page translator which supports multiple search modes, page translations, new word notebook and PDF selection searching.
🧩 The Browser Extension Framework
Integrating ChatGPT into your browser deeply, everything you need is here
—
⚡ Next-gen Web Extension Framework
🐸 Read Frog - Open-source AI language learning & flashcards, an Immersive Translate alternative | 🐸 陪读蛙 - 开源 AI 语言学习与闪词卡,沉浸式翻译替代
Stop writing prompts from scratch — a searchable prompt library for ChatGPT, Claude, Gemini and Cursor · Русский 한국어 العربية हिन्दी ไทย | 别再从头写提示词:现成的拿来就用,好用的收进自己的库
:cloud: Sync your bookmarks privately across browsers and devices
Use your locally running AI models to assist you in your web browsing
Stylus - Userstyles Manager
Blocks specific sites from appearing in Google search results
一键同步文章到多个内容平台,支持今日头条、WordPress、知乎、简书、掘金、CSDN、typecho各大平台,一次发布,多平台同步发布。解放个人生产力
一款跳过小电视视频中恰饭片段的浏览器插件,移植自 SponsorBlock。A browser extension to skip sponsored segments in videos, ported from the SponsorBlock
QOwnNotes is a plain-text file notepad and todo-list manager with Markdown support and Nextcloud / ownCloud integration.
Powerful Pixiv batch downloader. Batch download artworks and novels, filter works, rename when downloading, convert animated images, and more. 浏览器扩展程序,批量下载 Pixiv 上的插画和小说。过滤作品、下载时重命名、转换动态图片等。
😍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
ScriptCat, a browser extension that can execute userscript; 脚本猫,一个可以执行用户脚本的浏览器扩展
✨⚡️ A feature-rich GraphQL Client for all platforms.
Highlight and capture the web in your favorite browser. The official Web Clipper extension for Obsidian.
The cross-browser extension framework.
Cross-platform local MCP capabilities for ChatGPT with Chrome integration, Goal, Compact & Resume, and durable multi-agent workflows.
Opinionated paranoid text spacing in JavaScript, with on-device AI semantic judgment
Authenticator generates 2-Step Verification codes in your browser.
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
Greasemonkey scripts ( Pagetual / Picviewer CE+ / DownloadAllContent ) 油猴腳本集 ユーザースクリプト集
Extract any website's complete design system with one command. DTCG tokens, semantic+primitive+composite, MCP server for Claude Code/Cursor/Windsurf, multi-platform emitters (iOS SwiftUI, Android Compose, Flutter, WordPress), Tailwind v4, Figma variables, shadcn/ui, CSS health audit, WCAG remediation, Chrome extension. MIT, Playwright, Node 20+.
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.
Build cross-browser extensions with native HMR and zero-config setup
A browser extension that redirects popular sites to alternative privacy friendly frontends
Privacy Badger is a browser extension that automatically learns to block hidden trackers
Open-source GEO content engineering and multi-site distribution platform with AI quality inspection, illustrated admin help, hosted sites, browser-assisted publishing, and signed updates.
Gmail JavaScript API
Don't waste your time with compliance. FastForward automatically skips annoying link shorteners.
本地私有、开源的自进化跨平台 AI 内容发现 Agent:先理解你,再主动从 B站、小红书、抖音、YouTube、X、知乎、Reddit、微博等平台与开放 Web 寻找内容。(支持 deepseek harness 插件) | Local-first open-source cross-platform AI content discovery agent: understands you, then proactively finds content across Bilibili, Xiaohongshu, Douyin, YouTube, X, Zhihu, Reddit, Weibo and the open web.(support deepseek harness plugin)
It is a Chrome extension for printing JSON and JSONP.
Scrobble music all around the web!
Web extension to set a default speed for video and audio
Firefox/Chrome browser extension. SmartProxy will automatically enable/disable proxy for the sites you visit, based on customizable patterns.
Web Extension for sniffing and downloading HTTP Live streams (HLS)
Extension to return old Twitter layout from 2015 / 2018.