Get Started
Parse your first HL7 message in 60 seconds.
Open the Parser
Navigate to the parser and sign in. A free account is all you need. No installation required.
Paste a Message
Copy an HL7 v2 message into the editor. Don't have one? Use the sample messages in the toolbar.
Review Validation
The parser validates your message in real time against the HL7 schema. Errors, warnings, and informational notes appear in the validation panel with severity levels and field-level detail.
Explore the Segment Tree
Click any segment in the tree panel to see field definitions, data types, lengths, optionality, and table bindings. Click a table reference to look up valid coded values.
Look Up the Specification
From any segment or field, navigate directly to the specification browser for the full definition, documentation, and cross-version history.
What else can you do?
Browse v2 Specifications
Segments, data types, tables, message structures, trigger events, and rendered documentation across all 14 versions.
Explore FHIR Resources
R4 and R5 resources, profiles, extensions, value sets, code systems, search parameters, operations, and 75+ implementation guides.
Search Terminology
Look up codes across 129 clinical vocabularies. Browse code systems, value sets, and the OID registry.
Build Test Messages
ProComing soonCreate HL7 messages visually with the template-based message builder.
Analyze Message Sets
ProComing soonUpload batches of messages for statistical analysis. View field distributions and data quality scores.
Map v2 to FHIR
Browse segment-to-resource, data type, and vocabulary mappings from HL7 v2 to FHIR.