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JSON to CSV

Flatten complex data structures into clean, tabular CSV format.

JSON SourceValid JSON

CSV Output

id,name,email,status,metadata.department,metadata.level 1,Jane Cooper,jane.c@example.com,active,Security,4 2,John Doe,john.doe@example.com,inactive,Analytics,2

settings

General Rules

Include Header row

Flatten Objects

Formatting

expand_more

Tabular Preview

id	name	email	status	metadata.department	metadata.level
1	Jane Cooper	jane.c@example.com	active	Security	4
2	John Doe	john.doe@example.com	inactive	Analytics	2

Technical FAQ

Can it handle nested JSON objects?

Yes, the flattening engine recursively traverses nested hierarchies. You can define a custom separator (like '.' or '_') to map these paths to flat CSV columns.

How are arrays processed?

Arrays can be stringified as comma-separated values within a single cell, or flattened into indexed columns depending on your configuration requirements.

Is there a file size limit?

The tool processes everything locally in your browser for privacy. While modern browsers handle up to 50MB comfortably, massive datasets may benefit from pre-splitting.

Is my data sent to any server?

No. Conversion happens entirely on your machine. UtilVox maintains zero-knowledge architecture for all developer tools.