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FREE FHIR VIEWER

View FHIR Resources Instantly, Clearly, and for Free

The FHIR Viewer converts and displays FHIR JSON messages in a clean, human-readable format. Paste, upload, or query a FHIR server to explore and validate clinical data with no setup or coding required.

Try the FHIR Viewer FreeSee how it works

Start visualizing FHIR data in seconds. No installation or configuration needed. No signup required.

UNDERSTAND YOUR FHIR DATA

Why FHIR Data Remains Hard to Understand

Even with widespread adoption of FHIR APIs, teams still struggle to work with raw JSON payloads. Reviewing FHIR data in Postman or plain text editors is inefficient and difficult to share across clinical, QA, and product teams.

FHIR Viewer solves this by turning raw JSON into a side-by-side, human-readable view that is easy to interpret, share, and act on. Whether you are debugging a single bundle or reviewing data from a live server, our FHIR Viewer simplifies the entire process.

IN PRACTICERaw JSON

Turn raw FHIR JSON into a human-readable view.

Instantly turn structured payloads into something human-readable. View the formatted interpretation and raw JSON side by side.

Readable outputRaw JSON
Hgear TOOLSFHIR VIEWER
TOOL / FEATURES

The Solution: A Faster Way to Read and Understand FHIR Data

Visualize and Review FHIR Data in a Human-Readable Format

FHIR JSON

Paste or Upload FHIR JSON

Copy and paste FHIR JSON into the viewer or upload a file directly from your system.

AUTHENTICATION

Secure Authentication Support

Add a token or authentication header if required by the FHIR server before submitting a query.

READABLE DATA

Side-by-Side Display

Instantly view both the human-readable interpretation and the raw JSON structure of each resource.

EXPORT

Export to PDF

Download a PDF copy of the human-readable view for offline review, sharing, or documentation.

LIVE DATA

Query Live FHIR Servers

Enter a FHIR query URL to retrieve and view live data from any compatible FHIR API.

DEVELOPERS

API Capabilities

FHIR Viewer is designed primarily for interactive, browser-based use. API endpoints are also available for developers and QA teams.

PASTE. UPLOAD. QUERY.

Paste, upload, or query a FHIR server.

Explore FHIR JSON in a human-readable view alongside the raw resource. Download the formatted output as a PDF for review or sharing.

FHIR INPUTS
Paste FHIR JSON
Upload a local file
Query a live server
HgearData workflow
INSPECTION OUTCOMES
Human-readable output
Raw JSON alongside the view
Live server data
PDF download
Paste, upload or queryView side by sideReview FHIR resourcesExport to PDF
DEVELOPERS & QA

API Capabilities

Designed for developers and integration teams: FHIR Viewer is designed primarily for interactive, browser-based use. However, API endpoints are available for developers and QA teams who wish to:

  • Programmatically render and retrieve viewer-friendly output
  • Upload bundles and receive rendered artifacts
  • Validate resources against known profiles

Trial accounts include access to viewer-related API documentation and endpoints.

Get Instant Access

Read the FHIR Viewer walkthrough. For the foundations, explore FHIR resources, APIs and validation.

FHIR Viewer: sample workflow

FHIR ViewerFREE
HUMAN-READABLE VIEW

Patient

NameEmma Smith
IdentifierMRN-483920
Birth date1985-04-12
GenderFemale
Synthetic example
RAW JSON
{
  "resourceType": "Patient",
  "id": "example",
  "identifier": [
    {
      "value": "MRN-483920"
    }
  ],
  "name": [
    {
      "family": "Smith",
      "given": [
        "Emma"
      ]
    }
  ],
  "birthDate": "1985-04-12",
  "gender": "female"
}

Illustrative sample data and results. This preview does not process uploaded data.

Try the FHIR Viewer Free
SECURITY & TRUST

Security and Trust

Your data stays safe — always.

This is a trial version for testing and evaluation only. Please upload only synthetic or de-identified data.

No data storage

No data is persisted or stored

Encrypted transfers

All transfers are encrypted (HTTPS)

Isolated sessions

Sessions are isolated for secure trial use

Testing and evaluation

Please upload only synthetic or de-identified data.

Simplify FHIR Debugging and Review

FHIR Viewer removes the complexity of working with raw FHIR JSON.

  • Instantly turn structured payloads into something human-readable
  • Help QA teams, analysts, and clinicians participate in FHIR review
  • Test and share results using a clean, web-based interface
  • Avoid relying on tools not purpose-built for healthcare data
  • Export readable versions for collaboration or compliance workflows
FAQ

FHIR Viewer FAQ

01Who is this for?

Anyone working with FHIR data, including developers, QA teams, analysts, and clinical informaticists.

02Which FHIR versions are supported?

FHIR R4 and R5.

03Can I upload a local file?

Yes. Upload any FHIR JSON file from your system and view it instantly.

04Can I connect to a live FHIR server?

Yes. Use the Query FHIR Server option and enter the full FHIR API URL.

05What if the server requires authentication?

Enable the Authentication toggle, choose the method, enter your token, and submit the query.

06Can I download the human-readable output?

Yes. A PDF of the formatted view is available for download after viewing.

07Can I use PHI in the trial version?

No. Use only synthetic or de-identified data for testing and evaluation.

Make FHIR Data Easy to Understand. Free, Secure, and Instant.

Try the FHIR Viewer to read, validate, and export your FHIR resources. No code or configuration required.

Try the FHIR Viewer Free
EXPLORE Hgear

Connect inspection to your healthcare data workflow.

FHIR Viewer is a developer entry point into HGEAR’s healthcare interoperability platform. Explore visualization alongside transformation, validation, and data quality.

Explore FHIR visualization
TransformHL7 to FHIR Converter

Transform HL7v2 messages into structured FHIR bundles.

ValidateCare Compliance Validator

Find structural issues in C-CDA documents.

Assess Data QualityC-CDA Scorecard

Assess C-CDA completeness and data quality with detailed scoring.

SOLUTIONSHealthcare interoperability

Explore workflows for providers, payers, builders and data teams.