JSON Unflatten

Restore flattened JSON to nested form.

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Paste flattened JSON below — dot-notation keys are expanded back into nested objects and arrays.

inputFlattened JSON
outputNested JSON

About this tool

Restore flattened JSON to nested form This free Data Converters tool from Bhuvanesh C runs entirely in your browser — your data stays on your device.

FAQ

Common questions about the JSON Unflatten.

Restore flattened JSON to nested form. It is part of my free Data Converters collection and works instantly in your browser.
Yes. This tool is completely free with no usage limits and no account required.
No. Processing happens in your browser whenever possible. Your input is not sent to my server.
Yes. The layout is responsive and works on phones, tablets, and desktops.
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