CSV ↔ JSON Converter
Convert CSV data to JSON arrays or JSON back to CSV instantly.
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What is CSV ↔ JSON Converter?
CSV and JSON are common data formats; this tool converts between them for APIs, spreadsheets, and scripts.
How to use
Paste CSV or JSON.
Select conversion direction.
Copy or download the result.
Benefits
- Header row detection
- Pretty-printed JSON
- No file upload needed
Frequently Asked Questions
Is this tool free?
Yes. This tool is completely free to use with no sign-up, no limits, and no hidden fees.
Does my data leave my browser?
No. All processing happens entirely in your browser using client-side JavaScript. Your data is never sent to a server or stored anywhere.
Feedback & report a problem
Found a bug or have a suggestion? Let us know — it helps us improve this tool.
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