Rust utility tool that bridges traditional CSV files and the more efficient Parquet format, enabling better S3 data lake management and optimized Athena query performance. This bidirectional conversion capability is particularly valuable for organizations transitioning to modern data lake architectures while maintaining compatibility with legacy systems.

parquet2csv help

Output:

Commands: csv, parquet
 - parquet2csv csv <data.parquet>
 - parquet2csv parquet <data.csv>