Does it support JSON Schema validation?

Yes. Provide a JSON Schema (draft-07 through 2020-12) and we report every violation.

Where do validation errors come from?

Syntax errors are located precisely by line and column; schema errors are reported per path using Ajv.

Check that your JSON is well-formed and, optionally, that it conforms to a JSON Schema. Errors point to the exact line and column.

Runs entirely in your browser — your data never leaves your device.

Does it support JSON Schema validation?: Yes. Provide a JSON Schema (draft-07 through 2020-12) and we report every violation.
Where do validation errors come from?: Syntax errors are located precisely by line and column; schema errors are reported per path using Ajv.