JSON ↔ CSV Converter

Convert your JSON array to CSV, or your CSV file to JSON. Choose a delimiter, then copy or download the result.

Runs 100% in your browser — your data is never sent to a server.

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Frequently Asked Questions

Yes. Since CSV doesn't carry type information, all cells arrive as text in CSV → JSON conversion; convert them in your own code if you need numbers/booleans.

Since CSV is a flat (tabular) format, nested object/array fields are written as JSON text into a single cell; for best results use a flat JSON array.

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