QR Code Generator / Encoder

This free tool lets you generate QR Codes for address books (vcard), events (vcalendar, vevent), emails (mailto), geo coordinates (geo), telephones (tel), sms (smsto), urls (http://), plain text, wifi connection string and more. Also allows you to select your error correction level from L (Low 7%), M (Medium 15%), Q (Quartile 25%) and H (High 30%). It makes use of the ZXing ("Zebra Crossing") library.