HL7 Message Parser is a free online tool that lets you parse your HL7 v2 message and display it in a more readable format.
Get started by choosing to Parse an HL7 Message to see what comes of it.
Just enter an HL7 message into the parser form and you will be given a parsed, readable output of the message.
Some handy HL7 resources to help you along the way. Because everyone knows, knowledge is power.