Offline engine (processed locally)JAVASCRIPT v1.0.0 Spec

JSON to JSDoc

v1.0.0

Document your JavaScript objects by converting JSON data into JSDoc type definitions. This free tool adds @typedef and @property annotations, providing IntelliSense support in VS Code and other editors. Ideal for adding types without TypeScript. No registration, fully client-side.

Live sync—ms

JSONInput (JSON)Invalid

lines: 1chars: 28Size: 28 BUTF-8

JAVASCRIPTOutput (JAVASCRIPT)

Auto-generated

Converted output will appear here

lines: 0chars: 0Size: 0 BUTF-8

Size change: -100.00%TOML compliant: v1.0.0

Tool guide

Accurate conversion

Input is processed by this tool’s dedicated converter.

Local processing

Your input is processed in your browser and is not uploaded.

Ready-to-use output

Copy the result or save it as a file.