JSON to TypeScript Online
Generate TypeScript interfaces from JSON examples. Use it for testing, debugging, prototyping, demos, and day-to-day developer workflows without installing anything.
{} JSON to TypeScript Online
Generate TypeScript interfaces from JSON examples. Free online developer tool for fast browser-based work.
JSON
TypeScript
What it's for
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Testing and QA
Generate TypeScript interfaces from JSON examples
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Seed data
Useful for demos, fixtures, and browser-based checks
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Developer workflows
Supports front-end, back-end, product, and DevOps tasks
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Fast and local
Runs directly in the browser with instant copy-and-paste output