Type Generator

Generate TypeScript from JSON

Convert JSON to TypeScript online for free. Generate TypeScript interfaces, plus Python, Go & Rust types, from any JSON object. No install — runs in your browser.

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Converting JSON to TypeScript online saves hours of manual interface writing when integrating APIs or parsing responses. BracketView's Type Generator converts any JSON object into TypeScript interfaces — plus Python, Go, Rust, and other code targets. This is type export, not the nine UI languages in Workspace settings. Paste an API response, pick a target language, and copy production-ready types. Pair with the Schema Generator to keep types and validation in sync.

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Key features

  • TypeScript interfaces and type aliases
  • Python dataclasses and TypedDict
  • Go structs with json tags
  • Rust structs with serde derives
  • Java, C#, Swift, Kotlin, and more
  • Nested object and array support
  • Copy-ready output in one click
How to

How to Generate TypeScript from JSON with BracketView

Export TypeScript interfaces (or Python, Go, Rust, and more) from JSON in three steps.

01

Open BracketView

Go to app.bracketview.in and paste your JSON example.

02

Open Type Generator

Navigate to the Type Generator tool and select your target language.

03

Copy generated types

Review the generated interfaces or structs and copy them into your project.

Frequently asked questions

What languages does BracketView support?

The Type Generator exports code for TypeScript, Python, Go, Rust, Java, C#, Swift, Kotlin, and more. That is separate from the nine UI languages in Workspace settings.

How do I generate TypeScript from JSON?

Paste your JSON into BracketView, open the Type Generator, select TypeScript, and copy the generated interfaces.

Does it handle nested objects?

Yes. The Type Generator handles nested objects, arrays, and optional fields accurately.

Is type generation free?

Yes. Type generation is included in the free BracketView workspace.

Can I generate a schema and types together?

Yes. Use the Schema Generator to create a JSON Schema, then generate matching types for your language.

Privacy and security

Core viewing, formatting, validation, JSONPath, and jq run in your browser. Optional AI features, encrypted snapshots, and Webhook Tester send or store data when you use them. Review the privacy policy before pasting sensitive payloads into optional cloud features.