How to use JSON to TypeScript
- Paste bounded source text.
- Choose the explicit direction or root name where available.
- Review and copy the generated output.
JSON to TypeScript Interfaces
Generate deterministic nested TypeScript declarations from a JSON object or array of objects.
Private by design. Input is parsed locally and is never executed, fetched, or navigated.
Generate deterministic nested TypeScript declarations from a JSON object or array of objects. The result is deterministic and remains editable text.
How OpenFileTools processes it
Local processing, explicit choices.
A bounded local parser builds a data model, applies the documented mapping, and creates inert text output. No eval, navigation, network request, or code execution is used.
Questions, answered.
Is input uploaded or executed?
No. Parsing and generation happen locally and input is treated only as data.
Is output deterministic?
Yes. The same supported input and settings produce the same structure and ordering.
Related guide
Read the related guide