CSV ↔ JSON Converter — Free Online
Paste CSV to convert to JSON, or paste JSON to convert to CSV. Instant, browser-based.
CSV Input
JSON Result
JSON Input
CSV Result
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Frequently Asked Questions
Q. Does CSV to JSON use the first row as headers?
Yes. The first row of the CSV is used as the JSON field names (keys).
Q. Can I convert nested JSON to CSV?
Nested JSON objects are flattened. Complex nested structures may not convert perfectly to CSV.
Q. Is there a row or size limit?
No. All processing is done locally in your browser.