Top CHROME-EXTENSION GitHub Repositories & Tools (2026)

Offline, privacy-first grammar checker. Fast, open-source, Rust-powered

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.

Cross-platform local MCP capabilities for ChatGPT with Chrome integration, Goal, Compact & Resume, and durable multi-agent workflows.

Sync your browser to storage you own. No middleman, no account, no tracking

Better Lyrics for YouTube Music - Enhance YouTube Music with beautiful time-synced lyrics, multilingual support, real-time translations and more ✨

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.

A browser extension that redirects popular sites to alternative privacy friendly frontends

:cloud: Sync your bookmarks privately across browsers and devices

The cross-browser extension framework.

Change the appearance of the web instantly

Improving GitHub's Forks list discoverability through automatic filtering. The project offers an online tool and a Chrome extension.

A customizable read mode web extension.

Browser4 — an AI-native browser engine for autonomous agents, intelligent extraction, and large-scale web automation.

Web extension that adds keyboard shortcuts to Google, YouTube, Github, Amazon, and others (Chrome/Firefox/Edge/Safari)

The first AI agent harness native to the browser. A browser extension that runs a full agent loop where you already work: it drives your tabs, spins up sandboxed compute (JS notebooks, WASM Linux VMs, client-side apps), and shares what it builds peer-to-peer. BYOK, no backend, no telemetry.

🍁 Hide the bookmark bar, use Maple Bookmarks to surf smoothly.

Chrome extension to add a metadata layout on top of the standard Salesforce UI to improve the productivity and joy of Salesforce configuration, development, and integration.

m3u8 file downloader library and chrome & firefox extensions/add-on's

FireX Proxy is a browser extension built to unblock websites and provide private browsing.

Free, open-source TradingView strategy optimizer for Chrome. Grid search, walk-forward, heatmaps. By Roboquant.