CSV ↔ JSON Converter

Convert CSV to JSON or JSON to CSV instantly — auto-detects delimiters, handles quoted fields. Free forever.

CSV Input

First row as headers

JSON Output

Supported formats & edge cases

Auto-detects comma, tab, and semicolon delimiters
Handles quoted fields containing commas, newlines, or escaped quotes
Empty fields are preserved as empty strings
JSON → CSV flattens the first-level keys as column headers

This free CSV to JSON converter handles real-world data — quoted fields with embedded commas, semicolon-delimited exports from Excel, tab-separated values, and empty cells. The JSON to CSV direction works with any flat array of objects and produces a properly formatted CSV file ready for import into Excel, Google Sheets, or any data tool.