Convert JSON to Typescript Online

Upload a JSON file and convert it into TSINTERFACE output to quickly create TypeScript interface definitions for your project.

Root type nameJSON input

TypeScript output

Convert JSON to TypeScript Interface — Generate Type Definitions Online

Paste a JSON sample (an API response, a config file, anything) and get a typed interface ready to paste into your typescript codebase. Powered by quicktype, runs entirely in your browser. Switch tabs to convert the same JSON to TypeScript, Go, Python, Rust, Kotlin, Java, C#, or JSON Schema without re-pasting your input.

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