JSON to CSV Converter
Convert JSON array objects into CSV tables with customizable delimiters.
Delimiter:
Private by Design — Your CSV Stays on Your Device
OnlineCSV processes your files entirely client-side using browser JavaScript. Your CSV contents are never uploaded to any server, database, or remote service.
No account requiredWorks offlineZero data transmission
How to Use JSON to CSV
1
Paste or Upload JSON
Paste a JSON array of objects or upload a .json file.
2
Configure CSV Options
Choose delimiter (comma, tab, semicolon) and enable key flattening if needed.
3
Download CSV
Preview your converted table and download the output file.
Example Transformation
Example CSV Input
[
{"name": "Alice", "age": 30},
{"name": "Bob", "age": 28}
]Generated Output
name,age Alice,30 Bob,28
Frequently Asked Questions
What JSON formats are accepted?
You can input a standard JSON array of objects `[{"a":1},{"a":2}]` or nested structures.