JSON, CSV, Parquet and Excel Converter

Convert between JSON, CSV, Parquet and Excel online for free, one file or a whole folder. Runs in your browser; your data is never uploaded.

Example

id,name,age
1,Ada,36
2,Alan,41

[{"id":1,"name":"Ada","age":36},{"id":2,"name":"Alan","age":41}]

Frequently asked questions

How big can a file be?

It depends on your device. A few hundred MB usually works.