CSV Converter

Convert between CSV and JSON online. Supports comma, semicolon, and tab delimiters. Free, private, and 100% client-side.

Modeparam.delimiter

Input

Output

Local only

Recent history

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How to use

Paste CSV or JSON into the input box.
Select the conversion mode and delimiter.
Copy or download the converted result.

Frequently asked questions

How are CSV headers determined?: The first row of the CSV is treated as the header row and used as JSON object keys.
Which delimiters are supported?: Comma (default), semicolon, and tab. Select the delimiter that matches your CSV data.

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