CSV ↔ JSON Converter
Convert between CSV and JSON formats instantly. Free two-way converter.
How to use: Paste CSV or JSON on the left, toggle the conversion direction, and copy the output.
How to Convert CSV to JSON
Paste your CSV data into the input field. The first row is used as column headers to create JSON property names. Each subsequent row becomes a JSON object. The converter handles quoted fields, escaped characters, and various delimiter formats.
CSV vs JSON: When to Use Each
CSV is ideal for tabular data, spreadsheets, and database exports. JSON is better for nested data structures, API communication, and modern web applications. Converting between the two is common when migrating data between systems or preparing data for different tools.
Frequently Asked Questions
- How do I convert CSV to JSON?
- Paste your CSV data with headers in the first row. The converter automatically detects columns and produces a JSON array of objects. Copy the result with one click.
- Can I convert JSON back to CSV?
- Yes. This is a two-way converter. Paste a JSON array of objects and get properly formatted CSV output with headers derived from the object keys.
- Does it handle commas inside CSV fields?
- Yes. Fields containing commas, line breaks, or quotes are handled correctly when properly enclosed in double quotes, following the RFC 4180 CSV standard.