Runs entirely in your browser

JSON Schema Validator

Validate JSON against a local draft-07 schema.

The interactive controls load with JavaScript. Instructions and help are available below.

How to use

  1. 1Paste JSON data and a draft-07 schema.
  2. 2Validate without fetching remote references.
  3. 3Review validation errors; unsafe numeric values are rejected explicitly.

Frequently asked questions

Is this tool free to use?

Yes. No account or payment is required.

Where is my input processed?

Processing takes place in your browser. Some tools load a local processing engine before they can run. Your input files are not uploaded to our servers.

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