Free Developer Tool
PWA Manifest & Service Worker Builder
Generate compliant W3C manifest.json and caching sw.js scripts. Download instantly or bridge to Android APK.
Manifest Settings
Offline Service Worker Strategy
manifest.json Live Preview
PWA Readiness Checklist
- Valid JSON schema format
- Adaptive icons 192x192 and 512x512 declared
- Standalone display mode compatible with Android
- Offline service worker cache fallback configured