JSON → CSV Smart Flattener
Convert complex nested JSON into CSV with automatic flattening of objects and arrays using dot notation. Export-ready CSV output. Free by Graph Tools.
Use this free JSON to CSV converter to flatten complex nested JSON structures into clean CSV output. Nested objects are flattened using dot notation (e.g., address.city), and arrays can be expanded into multiple rows or flattened depending on your configuration. Paste any JSON or upload a file and download the CSV instantly. No data is sent to any server.