Paste sample API JSON responses and get strongly typed TypeScript interfaces with automatically inferred primitive types, nested objects, and arrays.
Processed client-side in your browser — files never leave your device.
Free, with no signup, account, or usage limits.
Works on any modern browser, including mobile.
About this tool
JSON to Code: Generate TypeScript, Go, Python, Java, C# or Rust types from JSON. Processing runs locally in your browser — your input is not uploaded to ThothBox.
How to use
Open JSON to Code and paste or type your input.
Choose any options that affect the output.
Run the tool or watch the live result update.
Copy or download the output.
FAQ
Does this generator support nested JSON objects?
Yes, it creates sub-interfaces for all nested objects and handles array types cleanly.