QR Scanner is a mobile app designed to read QR codes, which are two-dimensional barcodes used to store data like URLs, contact details, and more. To use it, open the app on your device, point the camera at a QR code, and the app will automatically scan and display the encoded information.

QR Scanner is free to download and use on both Android and iOS devices. While basic scanning features are usually free, some versions may offer extra features or ad-free options through in-app purchases. Check the app store for details on any costs or premium options.

Yes, QR Scanner can function offline for scanning QR codes that contain simple text, URLs, or contact info. For QR codes linking to online content like websites or downloads, an internet connection is necessary to access that content.

QR Scanner emphasizes user privacy by not storing or sharing scanned data without permission. It's important to download the app from reputable sources such as the Google Play Store or Apple App Store to ensure authenticity. Always review the permissions and privacy policy to understand data handling practices.

QR Scanner can read various QR codes, including those with URLs, contact information, calendar events, email addresses, phone numbers, and plain text. This makes it a versatile tool for accessing different types of encoded information. Ensure your device’s camera functions well for optimal scanning.