Getting started with Extension.js#

Ship your first browser extension quickly, then level up with templates and workflow guides as your project grows.

Who this path is for#

• New to extension development: Create your first extension
• Exploring quickly with existing samples: Get started immediately
• Choosing a starting stack: Templates

First successful outcome#

1. Scaffold or run an extension project.
2. Launch dev and load the extension in a browser target.
3. Make one change and verify update behavior.
4. Build production output for at least one browser.

Recommended reading flow#

1. Get started immediately
2. Create your first extension
3. Templates
4. Commands overview

Next steps#

• Learn command choices in Commands reference.
• Configure project defaults in Extension config.
• Validate release readiness with Workflows.

Video walkthrough#