▤Free
Infer JSON Schema
Infer a draft schema from a sample; arrays use the first item.
Infer a draft schema from a sample; arrays use the first item. Build type, properties and required fields from the values present in one JSON sample. Array item structure is inferred from the first item rather than all possible records.
How to use
- Enter your text, values, or image.
- Adjust the options and run the tool.
- Copy or download your result.
Worked example
Example input
Input: {"name":"Ana"}Example result
{
"type": "object",
"properties": {
"name": {
"type": "string"
}
},
"required": [
"name"
]
}Limitations and details
This is a sample-derived draft, not a validator or complete schema specification; review optional fields, unions and constraints manually.
Inputs and options
- Input
- Text
Frequently asked questions
Is this tool free and private?
Yes. All 300 tools are free in this phase. Processing happens in your browser; your input and files are not sent to our servers.