YAML to JSON Schema Generator.
Automatically infer and generate draft JSON Schema (Draft-07) definitions from YAML sample payloads.
Syntax Diagnostic
Line 1, Col 1Invalid YAML Syntax
Automated JSON Schema Generation from YAML Payloads
Writing JSON Schemas by hand is slow and error-prone. Our YAML to JSON Schema Generator analyzes sample YAML configuration documents and automatically infers standard Draft-07 schemas complete with data types (string, integer, number, boolean, array, object), required property constraints, and semantic string formats (such as email, date-time, uri, and ipv4).
Frequently Asked Questions.
Everything you need to know about YAML to JSON conversion, syntax formatting, and privacy.
What version of JSON Schema is generated from YAML?
The generator produces standard JSON Schema Draft-07 / 2020-12 compatible schemas, automatically inferring types (string, number, integer, boolean, object, array, null), string formats (email, date-time, uri, ipv4), and required property lists.
Can I customize whether fields are marked as required?
Yes, toggle the "Infer required fields" checkbox to automatically mark all detected object properties as required in the generated schema.
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