zztool What is JSON to CSV?
JSON to CSV converter transforms JSON formatted data into CSV (Comma-Separated Values) table format. CSV is simple and readable, can be opened directly in Excel and other spreadsheet software.
Features
Auto Parse
Automatically recognize JSON structure
Nested Flatten
Support flattening nested objects and arrays
Multiple Delimiters
Support comma, semicolon, tab delimiters
Live Preview
Instant conversion results
Tips
- ✓JSON can be an array of objects [{"a":1}, {"a":2}] or a single object {"a":1}
- ✓Nested objects flatten to "parent.child" format
- ✓Array values convert to comma-separated strings
- ✓Null values display as empty fields
FAQ
What JSON format is supported?
JSON can be an array of objects (each object represents a row) or a single object (converts to single row CSV).
How are nested objects handled?
With "Flatten nested objects" enabled, nested properties join with dots, like user.name, user.email.
How are special characters handled?
Values containing commas, newlines or quotes are automatically wrapped in quotes to ensure valid CSV format.
Last updated: 2026-06-04✓ Expert verified
Great tool for data processing.
Converts JSON to CSV flawlessly!
Simple and works great.