CSV to JSON
Convert CSV files or pasted CSV data to JSON format instantly.
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Options:
Delimiter:
How It Works
Paste CSV data or upload a .csv file. Choose delimiter and options. JSON output updates live — copy or download the result.
**CSV to JSON Converter — Instant Data Format Conversion**
CSV and JSON are two of the most common data interchange formats. Our converter handles RFC 4180 compliant CSV with quoted fields, auto number parsing, and multiple delimiters.
**Conversion Options**
- First row as header (output array of objects)
- No header (output array of arrays)
- Parse numbers/booleans automatically
- Comma, semicolon, tab, or pipe delimiters
- Minify or pretty-print output
Frequently Asked Questions
Comma (,), semicolon (;), tab, and pipe (|). Semicolons are common in European Excel exports.
Enable "Parse numbers" to auto-convert numeric strings to numbers. Booleans (true/false) and null are also detected.
Fields with commas should be quoted in the CSV: "Smith, John". Our parser handles RFC 4180 quoted fields correctly.
This tool converts CSV → JSON only. For the reverse, use a JSON to CSV converter.
The tool handles files up to ~5MB in the browser.