About JSON Schema Validator & Tester
Ensure JSON documents conform to your schema. Checks required properties, types, string formats, regex patterns, and numerical ranges in-browser with immediate discrepancy reporting.
Key Capabilities & Features
- In-browser JSON schema validation without external dependencies
- Validates required keys, types, min/max values, string patterns, and array items
- Detailed error reporting with property path pointers
- Preloaded sample schema and valid payload
How to Use JSON Schema Validator & Tester
1
Paste Schema
Insert your JSON Schema definition on the left.
2
Paste Data
Insert the JSON payload to validate on the right.
3
Review Status
Check the green confirmation banner or inspect specific errors.
Privacy & In-Browser Execution Guarantee
Schemas and data payloads are validated in local RAM.
Frequently Asked Questions
What versions of JSON Schema are supported?
Core specifications from Draft-04, Draft-07, and 2020-12 are supported including type validation, required fields, and pattern regex.
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