Free Developer Tool
JSON Schema Validator
Validate JSON data using custom JSON schemas.
What is JSON Schema Validator?
JSON Schema validation ensures JSON data follows the required structure and rules.
How to use
- Paste JSON data.
- Paste a JSON Schema.
- Validate the result.
Features
- Schema validation
- Error reporting
- Client-side processing
- Instant feedback
- No uploads
Example
Input
Left value:
{"name":"John"}
Right value:
{"type":"object","properties":{"name":{"type":"string"}},"required":["name"]}Output
Valid JSON
FAQ
What is JSON Schema?
JSON Schema defines validation rules for JSON structures.
Can I use custom schemas?
Yes. Any valid JSON Schema can be used.
Is my data secure?
Yes. Everything runs locally in your browser.