Developer tool
JSON Schema Validator
Paste a JSON value and a JSON Schema. Both are checked locally in your browser.
Runs in your browser. No upload.
Values are processed locally in this browser.
Result
About this tool
JSON Schema Validator made simple.
This lightweight validator supports common Draft 7 keywords: type, properties, required, items, enum, const, minimum/maximum, string length and additionalProperties. Remote references, pattern expressions and advanced schema features are not evaluated.
Common questions
About JSON Schema Validator.
How do I use JSON Schema validator?
Paste a JSON value and a JSON Schema. Both are checked locally in your browser.
Is my data uploaded to a server?
No. This tool runs locally in your browser. Your input is not uploaded.