JSON to TypeScript

JSON to TypeScript, and 12 more languages

Paste a sample JSON response and get typed models for your code. TypeScript is selected here, and the same tool writes Go, Python, Java, C#, Rust, Kotlin, Swift, Dart, PHP, Zod, GraphQL and Protobuf.

How to use it

1. Paste a JSON sample, such as an API response.
2. Pick the language and set the root type name.
3. Copy the generated code into your project.

What it does

• Nested objects become their own named types
• Optional fields detected across array items
• Numbers split into integers and floats where the language cares
• 13 languages from one sample

Questions

Which languages are supported?

TypeScript, Go, Python, Java, C#, Rust, Kotlin, Swift, Dart, PHP, Zod, GraphQL and Protobuf: pick one from Language.

How are optional fields found?

When items in an array have different keys, keys that are missing from some items are marked optional.

Can I generate a JSON Schema instead?

Yes. The JSON Schema tool generates a schema from the same sample.

More JSON tools

Bracely has more than 60 JSON tools in one page. Related ones:

• JSON to Go
• JSON to Java
• JSON to C#
• JSON to Python
• JSON to Kotlin
• JSON to Swift
• JSON to Dart
• JSON to Rust
• JSON to PHP
• JSON to Zod
• JSON to GraphQL
• JSON to Protobuf
• JSON Formatter
• JSON Validator
• JSON Viewer
• JSON Repair
• JSON Diff
• JSON to YAML
• JSON to CSV
• jq Playground

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