NFCUtil

NFC Utility is a powerful NFC tag tool for iPhone. Read any NFC tag to see its type, UID, memory, and NDEF records. Write URLs to blank tags. Auto-format MIFARE Ultralight and NTAG cards for NDEF with one tap. Connect to a backend to sync across multiple instances.

NB: This app will not allow you to clone or otherwise subvert the security of MIFAIRE cards. It's for reading and writing data (URLs) on these cards,