Read local Parquet tables, inspect physical and logical types, choose columns and export CSV. Nested arrays stay JSON; unsupported compression fails explicitly.
Parquet viewer and CSV export
Read local Parquet tables, inspect physical and logical types, choose columns and export CSV. Nested arrays stay JSON; unsupported compression fails explicitly.
Schema / field coverage
Parquet INT64 → decimal text ARRAY → JSON
Result
Local processing. Up to 20 files, 25 MiB total, 100,000 rows and 250 columns per table; 2 million cells per batch.
CSV protects formula-like text with an apostrophe. ZIP includes all original imported tables; column selection and masking apply only to the current table and its actions.