JSON to CSV Converter

Why convert JSON to CSV?

JSON is the standard format for APIs and web services, but analyzing data in spreadsheets requires CSV format. Our free JSON to CSV converter handles nested objects, arrays, and mixed data types — transforming them into clean, Excel-compatible CSV files without sending your data to any server.

Features

• Automatic Column Detection: Extracts all unique keys from your JSON objects as CSV headers.
• Nested Object Support: Nested objects and arrays are serialized as JSON strings in CSV cells.
• Instant Download: Download your converted CSV file with one click.
• 100% Private: All conversion happens in your browser — no data is uploaded.