Convert between JSON and CSV formats instantly with support for nested data
Our free JSON to CSV converter makes it easy to transform data between these two popular formats. Whether you're working with API responses, spreadsheets, or data exports, this tool handles the conversion instantly in your browser with support for nested data structures.
JSON (JavaScript Object Notation) is a lightweight, human-readable data format widely used in APIs, configuration files, and web applications. JSON structures data as key-value pairs and nested objects, making it ideal for complex hierarchical data.
CSV (Comma-Separated Values) is a simple text format for storing tabular data. Each line represents a row, and values are separated by commas. CSV files are compatible with spreadsheet applications like Excel and Google Sheets, making them ideal for data analysis and reporting.
When converting JSON to CSV, our tool flattens nested objects using dot notation. For example, a JSON object like {"user":{"name":"John","email":"john@example.com"}} becomes two CSV columns: "user.name" and "user.email". This preserves the structure while making it compatible with spreadsheet applications.
Nested objects are flattened using dot notation. For example, {user: {name: "John"}} becomes a column named "user.name" in CSV.
Yes, the converter can handle large files since processing happens in your browser. Performance depends on your device's capabilities.
Yes, the conversion is accurate for both formats. JSON to CSV flattens nested structures, while CSV to JSON creates objects from headers and values.
Absolutely. All data processing happens in your browser. Nothing is uploaded to any server.