Convert CSV ↔ JSON

CSV (Comma-Separated Values) is a plain text format where each line represents a row and values are separated by commas or another delimiter.

JSON (JavaScript Object Notation) is a lightweight data format for storing and exchanging structured information in key-value pairs.

Yes. You can enter a custom delimiter (e.g., comma, semicolon, tab) before converting.

Yes. All conversions are processed directly in your browser — no data is sent to any server.

If you check “Has header”, the first row of CSV will be used as keys for JSON objects.