CSV to JSON Converter

Convert CSV spreadsheet data to JSON format instantly. Free, fast, and secure.

Input (CSV)

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Output (JSON)

Options

Delimiter

Pretty print JSON

Frequently Asked Questions

CSV to JSON conversion transforms tabular spreadsheet data (comma-separated values) into structured JSON format, which is widely used in web applications and APIs.

The first row of your CSV is treated as column headers. Each subsequent row becomes a JSON object with keys matching those headers.

Yes! All conversions happen directly in your browser. Your data never leaves your device and is not uploaded to any server.