What JSON Schema drafts are supported?

The tool supports both the 2020-12 and Draft-07 specifications.

Can I manually edit the generated schema?

Yes, you can paste your modified schema into the 'Adjusted Schema JSON' field to override the auto-inferred version.

Does it support format detection?

Yes, when enabled, the tool automatically identifies common formats like email addresses or dates within your JSON.

What happens if my sample JSON is invalid?

The tool will alert you to syntax errors in your input JSON before attempting to generate a schema.

Is the validation performed locally?

Yes, the validation process runs against the active schema definition provided in the tool configuration.

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JSON Schema Generator

Infer JSON Schema from sample JSON, optionally merge manual schema edits, and validate data against the active schema

Execution

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1 examples

Infer schema from API payload

Turn a sample response into a reusable JSON Schema and validate it immediately

{"summary":{"valid":true},"inferredSchema":{"type":"object"}}

Inputs

Set the required fields, then run the tool.

6 options

ContentPaste or type the main input values.2

Sample JSONtextareaRequiredAdjusted Schema JSON (Optional)textareaOptional

SettingsAdjust formats, ranges, numbers, and modes.1

JSON Schema DraftselectOptional

TogglesEnable or disable optional behavior.3

Infer Enum From ArrayscheckboxOptionalEnabled when checkedDetect Common FormatscheckboxOptionalEnabled when checkedValidate Sample Against Active SchemacheckboxOptionalEnabled when checked

Result

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JSON Schema Generator

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1. API Response Documentation

2. Data Pipeline Validation

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