JSON Schema Example Generator
Generate sample JSON documents from a JSON Schema using defaults, enums, formats, and property heuristics.
Local workspace
Named projects in IndexedDB · Local only — never synced to our servers. Worksp…
Batch workspace
Format multiple files locally in one run.
How to use the JSON Schema → Example
Paste code or file
Paste your raw JSON text or upload directly.
Configure options
Choose indentation, dialect, or formatting preferences.
Format & export
Click format, then copy, download, or inspect in tree view.
What is a JSON Schema → Example?
Generate sample JSON documents from a JSON Schema using defaults, enums, formats, and property heuristics. This tool re-indents and organizes code according to standard style conventions while checking for syntax validity. Everything executes 100% inside your browser, guaranteeing zero latency and complete privacy for API keys, user tokens, and confidential database schemas.
Options Explained
| Option | Description |
|---|---|
| Indent size | Spaces used when pretty-printing the example JSON (0 for compact). |
Frequently Asked Questions
Which schema drafts are supported?
Heuristic generation works with common Draft-07 / 2020-12 shapes (type, properties, items, enum, format, default).
Are $ref references resolved?
Remote $ref is not fetched. Inline schemas and composition (anyOf/oneOf/allOf first branch) are preferred.
Is my schema uploaded?
No. Generation is entirely client-side.
Can I validate the example afterward?
Yes. Use the companion JSON Schema Validator.
Why are some optional fields missing?
Large objects may omit non-required properties to keep examples readable.
Free Developer Cheat Sheet
Download a handy, printable reference guide for JSON Schema → Example syntax and best practices.
Download Free Cheat Sheet