Open .json Files Online — Free FHIR Viewer
Open FHIR File Online — Free & Instant
No signup required. Works in your browser.
📁 Drag & drop your file here
or click to browse • Max 100MB
✅ Free • ⚡ Instant • 🔒 Secure • 💻 No install
What Is a .json File?
A .json file is a medical format known as FHIR. FHIR Healthcare Resource This format is created by HL7.org and is widely used by radiologists and clinicians.
FHIR files contain structured medical data that requires compatible software to open. With OpenAnyFile, you can view and reconstruct .json files directly in your browser without installing any software.
How to Open .json Files Online
- Visit OpenAnyFile FHIR page
- Drag and drop your .json file onto the upload area, or click "Browse" to select it
- OpenAnyFile automatically detects the FHIR format using magic byte analysis
- View, analyze, and view and reconstruct your file contents in the browser
- Optionally convert to CSV, YAML, XML or download
Software That Opens .json Files
.json files are primarily created by HL7.org. In the medical space, you may encounter .json files from third-party tools, online converters, or export functions. Regardless of the source, OpenAnyFile handles them all.
Open .json on Different Platforms
- Windows: Use the original software or upload to OpenAnyFile for instant access
- macOS: Preview may not support .json — use OpenAnyFile as a universal viewer
- Linux: Open-source alternatives exist, or use OpenAnyFile in any browser
- Mobile (iPhone/Android): OpenAnyFile works on all mobile browsers
Common .json File Problems
Profile validation
Other common issues include: your OS not recognizing the file extension, the file appearing corrupted after download, or lacking the required software. OpenAnyFile bypasses all these issues with universal format detection.
Convert FHIR to Other Formats
FHIR files can be converted to 3 formats including CSV, YAML, XML.
Related Medical Formats
If you work with .json files, you may also encounter these medical formats:
- ANALYZE (.hdr) — Open & convert .hdr files online
- Analyze 7.5 (.hdr) — Open & convert .hdr files online
- Analyze Image (.img) — Open & convert .img files online
- ANNOT (.annot) — Open & convert .annot files online
- ARTEMIS (.art) — Open & convert .art files online
- BDF (.bdf) — Open & convert .bdf files online
- BEDPOSTX (.bedpostX) — Open & convert .bedpostX files online
- BIDS (.json) — Open & convert .json files online
- BIF (.bif) — Open & convert .bif files online
- BRAINVISA (.arg) — Open & convert .arg files online
Popular FHIR Conversions
Frequently Asked Questions
What is a .json file?
A .json file is a medical format called FHIR. FHIR Healthcare Resource
How do I open a .json file without installing software?
Upload your .json file to OpenAnyFile. Our browser-based tool instantly detects and displays it — no downloads needed.
What program creates .json files?
.json files are typically created by HL7.org.
Can I convert .json to another format?
Yes. OpenAnyFile converts .json to CSV, YAML, XML.
Is it safe to open .json files online?
Yes. OpenAnyFile processes files in a secure, isolated environment. Files are automatically deleted and all transfers use HTTPS.
Can I open .json on my phone?
Yes. OpenAnyFile works on all mobile browsers including iPhone and Android.