Universal QR Maker is a powerful, all‑in‑one QR code tool that works completely offline. No internet is required to generate or scan QR codes, and your data never leaves your device.
🔥 Key Features
1. 10+ QR Code Categories
Text – Any message or note
URL – Website links (auto adds https://)
Image – Embed small images inside QR
Signature – Draw your signature & encode
Contact (vCard) – Name, phone, email, organization
WiFi – SSID, password (WPA/WEP/open)
Email – Address, subject, body
Phone – Tap‑to‑call
SMS – Pre‑filled message
Event – Title, date, time, location, description
2. Full QR Customization
Change QR code color & background color
Add your own logo / brand image (PNG, JPEG)
High error correction (H level) for logos
3. Scan Any QR Code
Built‑in camera scanner (uses html5-qrcode)
Decodes text, URLs, WiFi, contacts, etc.
4. Save & Share
Download as PNG, SVG, or PDF
Share via any app (WhatsApp, Email, Drive, etc.)
Print directly from the app
5. History
Automatically saves last 20 QR codes
Restore any previous QR with one tap
6. Dark Mode
Easy on eyes, switch with one button
🔒 Privacy & Data Safety (Important for Huawei Review)
No data collection – Zero analytics, no tracking
All data stays on your device (localStorage)
Camera – Used only for scanning, never records or uploads
Files – Logo/images are processed locally and never transmitted
No internet required for QR generation or scanning (except for ads)
🧩 Technical Details
Built with HTML5, CSS3, JavaScript
Wrapped as a native Android app using Capacitor
Supports Android 5.0+ (API 21+)
Offline‑first: generates QR codes instantly without network
📢 Ads & Monetization
Banner ad at the bottom (optional, can be removed if preferred)
Interstitial ad shown only after QR generation (non‑intrusive)
No forced video ads, no pop‑up on every action
📥 How to Use
Select a category (Text, URL, WiFi, etc.)
Fill in the required information
Tap Generate – QR appears instantly
Customize colors or add a logo
Download / Share / Print / Scan
✅ Why Choose Universal QR Maker?
✔️ 100% free (no hidden in‑app purchases)
✔️ Works offline – great for travel, remote areas
✔️ No account or login required
✔️ Clean, modern UI with dark mode
✔️ Regular updates with new features
📧 Support & Contact
For bug reports, feature requests, or privacy questions:
support@qrmasterpro.com
Last updated on 2026年06月02日
Universal QR Maker is a powerful, all‑in‑one QR code tool that works completely offline. No internet is required to generate or scan QR codes, and your data never leaves your device.
