JSON → JSON Schema
Infer a JSON Schema from a sample document.
Private by design. Your input never leaves this browser. Conversions run locally on your device.
What this tool handles
- Emits draft-07 or 2020-12.
- Required lists the keys that appear in every observed object.
- additionalProperties can be pinned to false.
- Arrays are typed from their first element.
Example
JSON sample
[{"id":1,"name":"Ada"},{"id":2,"name":"Linus"}]JSON Schema
{
"$schema": "http://json-schema.org/draft-07/schema#",
"type": "array",
"items": {
"type": "object",
"properties": {
"id": {
"type": "integer"
},
"name": {
"type": "string"
}
},
"required": [
"id",
"name"
]
}
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