HL7 Message Parser & Viewer

Paste raw HL7 v2 messages to parse, validate, and convert to FHIR R4. Every field labeled with CARISTIX names, color-coded by segment type. Built for healthcare developers.

600+ field definitions Versions 2.3 - 2.8 FHIR R4 conversion No signup required

Paste your HL7 v2 message below

API key saved. Pro features enabled.

Ready to parse

Paste an HL7 v2 message above and click Parse Message to see structured output.

Supports ADT, ORU, ORM, VXU, SIU, MDM, and more. Versions 2.3 through 2.8.

Generate Test Messages

Generate realistic sample HL7 messages for testing your integrations.

HL7 Tools API Plans

Free

20 calls/day

5/min rate limit

All endpoints

Current plan

Starter

$9.99/mo

500 calls/day

30/min rate limit

API key + priority

Pro

$29.99/mo

5,000 calls/day

100/min rate limit

API key + SLA

HL7 Message Parser & Viewer

Generate Test Messages

HL7 Tools API Plans

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