JSON to CSV Converter

Converting JSON to CSV

CSV (Comma-Separated Values) is a simple tabular format supported by Excel, Google Sheets, databases, and data analysis tools. Converting JSON to CSV is essential when you need to analyze API data in spreadsheets, import data into databases, or share data with non-technical stakeholders.

How JSON to CSV Conversion Works

JSON objects become CSV rows. Object keys become column headers. Nested objects are flattened using dot notation (e.g., address.city). Arrays of objects map naturally to CSV — each array element becomes a row.

Handling Complex JSON Structures

• Flat objects: Convert directly — each key becomes a column
• Nested objects: Keys are flattened with dot notation: {"user": {"name": "John"}} becomes column user.name
• Arrays: Array values may be joined with a separator or expanded into multiple columns
• Mixed types: Null values become empty cells. Booleans become "true"/"false" strings.

Tips for Clean Conversion

• Ensure all objects in your JSON array have consistent keys
• Flatten deeply nested structures before converting
• Handle special characters (commas, quotes, newlines) in values — they need proper CSV escaping
• Check encoding (UTF-8) when opening the CSV in Excel