M4RKYU.SYSEdition 2027
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№ 33 / 44·Tool
runs locally
formatjsontypescript

JSON → TypeScript

Generate a TypeScript interface from any JSON sample. Arrays merge to union members; nested objects get their own types.

Source
[Previous toolCSV ↔ JSONAll toolsNext tool]SQL Formatter
M4RKYUM4RKYUM4RKYUM4RKYUM4RKYUM4RKYUM4RKYUM4RKYU
Crafted since 2024
ZhenXiao Mark YuZhenXiao Mark Yu
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