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Convert Between CSV and JSON Formats

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Paste CSV data and get JSON output, or paste JSON and get CSV. Handles headers, nested objects, and various delimiter styles.

A common need when moving data between spreadsheets and APIs, importing data into JavaScript applications, or preparing datasets for different tools. The conversion is instant and handles edge cases like quoted commas.

CSV
JSON
Type in either panel to convertCSV \u2194 JSON \u00b7 Delimiter: Comma (,)

Frequently Asked Questions — CSV / JSON Converter

Yes. The first row is treated as column headers and becomes the JSON object keys.

The parser auto-detects common delimiters including commas, semicolons, and tabs.

Yes. It works both directions. JSON arrays of objects convert cleanly to CSV tables.