Curium

Modern, privacy-first QR customizer. No analytics. No network. Just your codes.

Features

QR Generator

- 8 payload types — URL, text, Wi-Fi, email, phone, SMS, contact, location - Pixel styles — square, dots, rounded, extra-rounded, diamond - Eye styles — square, rounded, circle - Error correction — L, M, Q, H - Corner radius — sharp → pill (5 levels) - Logo overlay — pick from gallery, resize, reposition by drag - Logo background — rounded, circle, or none - Logo border & shadow — toggle independently - Randomize — shuffle all colors and styles instantly - Live preview — updates as you edit

QR Scanner

- Camera scan — QR codes + barcodes (EAN-13, EAN-8, Code 128, Code 39, PDF417, Aztec, Data Matrix) - Gallery scan — pick an image, detect code automatically - Torch toggle — low-light scanning - Scan to customize — scan any existing QR code, load it into the generator, change colors, style, logo, and export a new version

Themes

- Light / Dark / System — follows device preference - Dynamic — UI syncs to your QR's background color - Pure Black — AMOLED enhancement for OLED screens - Smooth transitions — cross-fade between themes

History

- Auto-save — every QR you create is stored locally - Swipe-to-delete — remove individual entries - Clear all — with confirmation dialog - Search — filter by content or type

Export

- Save to gallery — PNG, high quality - Share — send via any installed app - Copy content — clipboard - Export data — text file

License

GNU General Public License v3.0