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JSON Schema Validator

Validate JSON data against a JSON Schema (draft-07). Add schema: on the first line or separate with ---.

Input

json
loading editor…

Paste schema: then JSON to validate...
or drop a file anywhere in this pane

Output

json

Validation results will appear here...
press ⌘↵ to validate

What Is JSON Schema Validator?

This tool validates JSON data against a JSON Schema (draft-07). It checks that required fields exist, data types match, and values conform to constraints like min, max, pattern, and enum.

How to Use

  1. Start with schema: followed by your JSON Schema, then --- and the JSON data to validate.
  2. Click "Validate" to check the data against the schema.
  3. Review validation errors showing which fields failed and why.

Frequently Asked Questions

What JSON Schema draft is supported?

The tool supports JSON Schema draft-07, which is the most widely implemented version.

Can I generate a schema from JSON?

Yes, use the JSON to Schema Generator tool to create a schema from your data sample.

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