crxjs
CRXJS
CRXJS is a Chrome extension development tool that provides true HMR for popup, options, content scripts, and side panels. It reads your manifest to auto-generate the extension output, handles content script injection, and manages the service worker build. Under the hood it is a Vite plugin (@crxjs/vite-plugin).
Current status
- Package:
@crxjs/vite-plugin(v2.x stable, latest v2.4.0 as of March 2026) - Scaffolding:
npm create crxjs@latest(always use@latest) - Maintained by: @Toumash and @FliPPeDround (since mid-2025)
- GitHub: github.com/crxjs/chrome-extension-tools (~4k stars)
- Vite compatibility: v3 through v8-beta
Quick start
# Scaffold new project (picks framework interactively)
npm create crxjs@latest
# Or add to existing Vite project
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