Free, MIT-licensed guides for building Chrome extensions with Manifest V3: APIs, migration, publishing, security and performance.
Browse: bestchromeextensions.com (also served at theluckystrike.github.io/chrome-extension-guide)
Start here: Getting started · Guides · API reference · Permissions
The repository holds about 1,500 Markdown files: 718 in _posts/ and 790 in docs/.
- Manifest V3 migration and service workers
- Chrome extension APIs (tabs, storage, messaging, permissions)
- Publishing and Chrome Web Store optimization
- Security best practices
- Performance and memory optimization
- webext-storage -- Type-safe storage API wrapper
- webext-messaging -- Promise-based typed message passing
- webext-permissions -- Runtime permission checking and requesting
Jekyll on GitHub Pages.
Contributions welcome. See CONTRIBUTING.md for details.
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