TypeScript Type from JSON
Paste a JSON sample (an API response, a config file, a fixture) and get a ready-to-use TypeScript interface. Handles nested objects with named sub-interfaces, arrays with union types when items vary, null as optional or explicit union, and PascalCase naming inferred from keys. Works for API response typing, test fixtures, and config validation. Powered by Amazon Nova Micro on AWS Bedrock.
What the output includes
- • Nested interfaces for nested objects
- • Union types when array items vary
- • null handled as optional or explicit union
- • PascalCase interface names inferred from keys
- • Works for API responses, fixtures, configs
- • Paste and drop into your codebase
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About TypeScript Type from JSON
Paste a JSON sample, get a clean TypeScript interface with smart names, optionals, and union types. Free, no login. This tool runs entirely in your browser — no data is sent to any server. Your content stays private and secure. MarkdownMe provides free, fast, and reliable Markdown tools for developers, writers, and anyone who works with Markdown.