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CSV / JSON Converter
Transform CSV data to JSON arrays and vice versa. Choose delimiters, preview in a table, and download results. All processing is local.
100% Private & Secure
This tool runs in your browser.
Your data is never uploaded or stored.
Input CSV (Comma)
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Output JSON
JSON output will appear here...
How to use
- 1
Paste CSV or JSON data into the input.
- 2
Choose the conversion direction and delimiter.
- 3
Preview the result and copy or download.
Why use this tool?
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Fast, instant results — no waiting, no page reloads.
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Clean, focused interface designed for developers.
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100% private — everything runs in your browser, nothing is uploaded to any server.
Frequently Asked Questions
What delimiters are supported?
Comma, semicolon and tab.
Does the first row need to be a header?
Yes. The first row is used as field names for JSON objects.