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CSV ↔ JSON converter

Paste CSV on the left or JSON on the right and the other side updates. Exports from Excel and Google Sheets work as they are.

Delimiter

Table preview

How to convert

Paste or open a CSV file and the JSON appears on the right, one object per row with the header row as keys. Turn off First row is the header to get plain arrays instead. To go the other way, paste a JSON array of objects on the right and the CSV is rebuilt with every key as a column. Use the download buttons to save either side.

Tips

Is my data safe?

Yes. Everything runs in your browser. Nothing you paste here is sent to any server.

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