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JSON to Types

Convert nested objects and mixed arrays into static models or a Zod runtime validation schema.

Local execution receiptinput path disclosedTool content stays out of MonoTools URLs and API requests.
Working input
Browser memory
Cross-tool handoff
Session only · 10 min
URL payload
Never
Export
Explicit action

Verify it: open DevTools Network, clear the log, use the tool, then inspect fetch/XHR requests. Page assets and optional aggregate analytics may use the network; tool input is not included.

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How to use

  1. 01Paste a representative JSON sample on the left.
  2. 02Name the root model and choose TypeScript, Zod, Kotlin or Swift.
  3. 03Review optional and heterogeneous-field decisions, then copy the generated models.
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FAQ

Does it infer optional vs required fields?
From a single sample it cannot — every field is treated as required. Paste an array of multiple samples to detect optional and union fields.
Will my JSON be uploaded?
No. Type generation runs entirely in your browser.
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