Chrome Extension Development with WXT

Build modern, cross-browser extensions using WXT - the next-generation framework that supports Chrome, Firefox, Edge, Safari, and all Chromium browsers with a single codebase.

When to Use This Skill

Use this skill when:

• Creating a new Chrome/browser extension
• Setting up WXT development environment
• Building extension features (popup, content scripts, background scripts)
• Implementing cross-browser compatibility
• Working with Manifest V3 (mandatory standard as of 2025, V2 deprecated)
• Integrating React 19, Vue, Svelte, or Solid with extensions

Quick Start Workflow

1. Initialize WXT Project