JSON Flattener

Flatten nested JSON objects to dot-notation keys or unflatten back to nested structure

All processing happens in your browser. No data is uploaded.

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Flatten nested JSON objects to dot-notation keys or unflatten back to nested structure

🔒All processing happens in your browser. No data is uploaded.

Mode

Flatten

Unflatten

Separator

Flatten arrays

JSON Input

Paste your JSON here...

Output

Result will appear here...