Frequently Asked Questions

Yes! QR Code & PDF Scanner Pro is completely free to download and use on Android. There are no hidden paywalls, mandatory weekly subscriptions, or account requirements. All core features including camera scanning, document-to-PDF conversion, and QR code generation are fully available.

No. You can open the app and start scanning immediately after installation without providing your name, email address, or phone number.

The app is optimized for Android 6.0 (Marshmallow) and higher, fully supporting modern Android 12, 13, and 14+ devices, as well as foldable and tablet screens.

The app supports over 15 industrial barcode and matrix symbologies, including QR Code, Data Matrix, PDF417, Aztec, EAN-13, EAN-8, UPC-A, UPC-E, Code 128, Code 39, Code 93, and Codabar.

Yes! Tap the Gallery button on the scanner screen, choose your screenshot or saved image, and the app will instantly detect and extract the embedded barcode data. This works seamlessly for WhatsApp payment codes and digital tickets.

When you scan a web URL, the app provides a full security preview of the destination domain before opening your browser, preventing unintended redirection to phishing or malware websites.

The document scanner utilizes computer vision algorithms to detect the high-contrast edges between your paper document and the background surface. It automatically crops and applies perspective rectification to flatten angled shots.

Yes! In Document Scanner mode, tap "Add Page" to capture multiple receipts, pages of a contract, or book chapters, then tap "Export PDF" to generate a single organized PDF file.

No. Text recognition (OCR) is performed entirely on your device using on-device machine learning models. Your documents are never uploaded to remote servers.

No. All optical decoding, document creation, and history logging are strictly contained in sandboxed local device storage. We do not operate remote telemetry servers to collect your scanned items.

The app only requests Camera access (to capture optical frames for scanning). Media/Storage access is optional and only used if you choose to scan from gallery photos or save PDF exports. We never request contacts, GPS location, or call logs.