JSON to Types Generator
- Copy
- Copied
- Download
- Load a sample
- Paste some JSON first.
- This is not valid JSON: {msg}
- interface
- type alias
- record (Java 17+)
- class
- Mark keys missing from some objects as optional
About this tool
Paste sample JSON and get ready-to-use type definitions for TypeScript, Go, Java, C# or Python. Nested objects become their own types, arrays of objects are merged, and keys that are missing in some objects are marked optional. Everything runs in your browser.
Frequently asked questions
What is JSON to Types Generator?
Generate TypeScript, Go, Java, C# or Python types from sample JSON. It is one of the JSON, XML & YAML tools on MyCodeTips.
How do I use JSON to Types Generator?
Open the tool, enter or paste your input, and the result appears right away. Use the Copy button to copy it.
Is JSON to Types Generator free to use?
Yes. It is free to use and does not need an account.
Is my data safe with JSON to Types Generator?
Yes. It runs entirely in your browser, so what you enter is never uploaded to our servers.
Can I share my result?
Yes. Use the share buttons below the tool to post a link or copy a link to the tool page.
Which tools are related to JSON to Types Generator?
JSON to CSV Converter, JSON Formatter & Validator, JSON Schema Generator.
- JSON Formatter & Validator
- JSON Schema Generator
- Send output to…
- Nothing to send yet.
- Received output from {tool}
- Undo
- Dismiss