Open .json Files Online Free — No Software Needed
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?
FHIR (.json) is a medical file format. FHIR Healthcare Resource It is commonly used by radiologists and clinicians and created by HL7.org.
Step-by-Step: How to Open .json Files in 2026
Follow these steps to open any .json file online without installing software:
- Go to OpenAnyFile: Navigate to openanyfile.app
- Upload: Drag and drop your .json file or click Browse
- Auto-detection: The system identifies the FHIR format using signature analysis
- View: View and reconstruct the file contents in the browser
- Analyze: Use AI-powered analysis to understand the file structure and metadata
- Convert: Optionally convert to CSV, YAML, XML
Software That Opens .json Files
Windows
HL7.org can open .json files natively on Windows. Alternatively, use OpenAnyFile for instant browser access.
macOS
macOS may not natively support .json files. Use the original application or OpenAnyFile.
Linux
Open-source alternatives or OpenAnyFile provide .json support on Linux.
Mobile (iPhone & Android)
OpenAnyFile works on all mobile browsers — no app download required.
Common Problems Opening .json Files
- Your OS doesn't recognize the .json extension
- The file appears corrupted after downloading
- You don't have HL7.org installed
- Profile validation
OpenAnyFile bypasses all these issues with universal format detection that works in any browser.
Convert FHIR to Other Formats
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.