PWA Readiness Scanner — Free Online Tool
Audit manifest.json + service worker
Paste manifest.json → check PWA requirements. Icons, display, start_url, theme_color.
📚 Learn more
PWA readiness scanner
How to use this tool
- 1
Paste manifest.json
- 2
See PWA checklist
Frequently Asked Questions
Is my site installable?
Key Takeaways
- PWA Readiness Scanner is a free, browser-based seo & web tool — audit manifest.json + service worker.
- No signup, no downloads, no file uploads — your data stays on your device.
- Works on desktop, tablet, and mobile. Install as a PWA for offline access.
How to Use PWA Readiness Scanner
- Open the tool: Launch PWA Readiness Scanner on Toololis — no account or download needed.
- Enter your data: Paste text, enter values, or select a file directly in your browser.
- Get instant results: Everything is processed locally — results appear immediately.
- Copy or download: Save your output or share it. Bookmark for quick access next time.
PWA Readiness Scanner — Quick Facts
- Price
- Free — no limits, no watermarks, no paywalls
- Privacy
- 100% browser-based — no data is sent to any server
- Platform
- Any modern browser on desktop, tablet, or mobile
- Category
- SEO & Web Tools on Toololis
- Offline
- Works offline after first visit (Progressive Web App)
| Feature | Details |
|---|---|
| Tool | PWA Readiness Scanner |
| Category | SEO & Web |
| Signup Required | No |
| File Upload | None — processed in browser |
| Mobile Support | Fully responsive |
| Cost | Free forever |
Why Use PWA Readiness Scanner?
You should try PWA Readiness Scanner for a quick, private way to audit manifest.json + service worker. All processing happens in your browser. Your files and data never leave your device. According to web.dev, client-side processing is the gold standard for privacy.
On the other hand, dedicated APIs or desktop tools suit batch processing better. They also handle server-side automation. For everyday tasks, browser tools offer the best speed, privacy, and convenience.