✦ Runs entirely in your browser

Turn Java objects into clean JSON

Paste the output of a Java object’s toString() — Lombok-style ClassName(field=value, ...) or nested objects, arrays, and lists — and get valid, ready-to-use JSON.

Free, no sign-upNothing uploadedHandles nested objects & arrays

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Workspace 1

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Include class names

Java object0 chars

JSON output—

Output appears here…

Paste a Java object’s toString() output in the input panel.

Awaiting inputProcessed locally, in your browser