JSON Schema starter
Infer a starter JSON Schema from sample JSON.
Inputs stay in your browser. Builds a draft from primitives, arrays, objects, and required keys.
Search and use guide
JSON Schema starter
Generate starter JSON Schema drafts locally in the browser from sample JSON without sending payloads to a server. privacy-first-browser-tooling
Who it helps
- Kick off API contract reviews from sample payloads
- Create validation drafts for forms or webhooks
- Document object shapes before implementation
What you can enter
- User profile JSON with nested address object
- Webhook event array with required id and type fields
How to read results
Treat the generated schema as a first draft and review required keys, array shapes, and data types before adoption. privacy-first-browser-tooling
Data and privacy
GoGo Tools records analytics by tool slug only and does not include your input values. privacy-safe-analytics-only
Feedback
How can we improve this tool?
Send a suggestion or bug report for this tool.
FAQ
Are inputs uploaded?
No. These developer tools process inputs in the browser. Analytics records the tool slug only.
Can I paste real secrets?
Avoid real production secrets. The tools redact and process locally, but test values are safer.
Can I use the output in production directly?
Treat output as a starting draft and review it against your project standards before shipping.
Does it work on mobile?
Yes, but long text and code workflows are better on desktop browsers.