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NDJSON to CSV

Convert line-delimited JSON object records into CSV columns.

Runs in your browser. Your input is not uploaded or saved.

Result

Add your input, then select Convert to CSV.

How to use it

Open a JSONL or NDJSON file containing one object per line. A combined set of keys becomes the CSV header.

What to keep in mind

Each line must contain an object. Nested values are JSON strings; formula-looking cells are neutralised.

Up to 2 MB per input, with smaller limits for complex operations. Clear removes the current input and result.

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