Use your NFC-equipped Android phone to program NFC Tag.

Use your NFC-equipped Android phone to make Smart posters, write URIs, vCards, phone numbers to any NFC Tag. You can use any NFC Tag, including very popular Mifare Ultralight or Sony SmartTag.

For advanced users HEX editor for Mifare Ultralight is available!

You can save data from Mifare Ultralight to external file and write it to other card later!

Requires:

A phone which can write to, and read from, NFC tags (such as the Nexus 4,Xperia S, Xperia Z, Galaxy S3)

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This application is a contacts widget, which can be placed even on the lock screen.