Free CSV to JSON Converter

Paste any CSV data and convert it to a JSON array instantly — with first row as headers.

CSV Input

Delimiter

Output

JSON Output

About

When to Convert CSV to JSON

CSV is the universal format for spreadsheet data, but most modern APIs, web apps, and JavaScript code prefer JSON. This tool converts CSV rows into JSON objects using the first row as property names.

First row automatically used as JSON keys
Numbers automatically detected and typed correctly
Pretty or compact JSON output
Download as .json file

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