FREE · DEVELOPER TOOLS
JSON Schema from Sample.
Infer a draft-07 schema from a bounded JSON example.
How to use JSON Schema from Sample
Paste source text, adjust the available settings and generate. Review the output before integrating it into a project.
How it works
Infer a draft-07 schema from a bounded JSON example. Observed fields are required. Formats, optionality and business constraints need manual review. Source is processed locally; generated code is not executed.
Example
Generate the included sample to inspect the output.
Questions about JSON Schema from Sample
Is JSON Schema from Sample free, and do I need an account?
Yes. This tool is free to use in your browser without an account. Processing takes place on your device.
What are the limits and what should I check?
Observed fields are required. Formats, optionality and business constraints need manual review. Review the result before using it in your work.
Is my input sent to a server?
Your input is processed in your browser and is not uploaded by this tool. Files and pasted text are cleared when the page is refreshed. Normal website requests are still required to load the page and its libraries. Read the privacy explanation.