Practical Android guides

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• Scan, save, and create QR codes.
  QR Scanner is an Android QR code and barcode scanner for camera scans, image import, saved history, exports, and QR code creation.
• Scan and Create a Wi-Fi QR Code on Android
  Scan a Wi-Fi QR code on Android to join without typing the password, make one for guests, and understand what the code reveals.
• Barcode Types Explained: UPC, EAN, Code 128 and More
  UPC and EAN on products, Code 128 on parcels, PDF417 on boarding passes, Aztec on tickets, Data Matrix on medicine — and what a scan tells you.
• Create a QR Code for a Contact Card, Link or Event
  Create QR codes on Android for a contact card, link, Wi-Fi, event or location — plus the size, contrast and testing rules for printing.
• QR Scan History: Find, Favourite and Clean Up Scans
  Use QR scan history on Android: search by content, type or format, keep favourites, batch-scan without duplicates, delete private scans.
• Scan a QR Code From a Screenshot or Photo
  How to scan a QR code that is on your own phone screen: import a screenshot or photo, share an image to the scanner, and tips for codes on laptops and TVs.
• Check a QR Code Link Before You Open It
  How to check a QR code link before opening it: read the real domain, spot lookalike and shortened URLs, and avoid fake parking, payment and menu QR stickers.