This QR Generator Works 100% Offline (Here’s How)

Because the entire app is under 500 KB of static files and uses no backend, it works perfectly without internet after the first visit.

How to Use It Offline

  • Visit once on Wi-Fi → everything caches automatically
  • Or click “Install” (Chrome/Edge) or “Add to Home Screen” (iOS/Android)
  • Now open from your apps menu — works on planes, ships, remote sites

Real Offline Use Cases

Event organizers generate table numbers on-site. Factories print asset tags in areas with no signal. Field technicians create Wi-Fi QR codes in basements. Teachers use it during school network outages.

Technical Details

Built with SvelteKit + @adapter-static → GitHub Pages serves pure files. Optional service worker (under 2 KB) caches everything. kjua library runs entirely in-browser.

FAQ

Does offline mode limit features?

No — colors, logos, SVG export, clipboard copy — everything works.

How long does it stay cached?

Forever, until you manually clear site data.

Can I share the offline version?

Yes — just zip the built /docs folder and send it. Works from USB too.

Internet optional. QR codes required.