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CSV to JSON Converter

Convert CSV spreadsheet data to JSON format instantly. Supports custom delimiters, auto-detect headers. Free & private.

Has Headers Row
Comma (,)
Semicolon (;)
Tab
Pretty Print
0
Records
0
Fields
0 B
Size

CSV to JSON — Free Online Converter

Instantly convert CSV files into JSON arrays. Upload a spreadsheet or paste CSV text with any delimiter. The first row is treated as keys unless you disable headers. Resulting JSON can be pretty-printed or minified.

Frequently Asked Questions

Comma, semicolon, and tab are supported. Select the appropriate delimiter before converting for accurate results.

Yes. Numeric values are automatically converted to numbers in the JSON output. Boolean values (true/false) are also converted automatically.

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