Open and convert Apache Parquet files to CSV directly in your browser using DuckDB WASM.
DuckDB WASM reads Parquet files natively in your browser. No Python, no pyarrow, no installation. Just drag and drop.
Browse your Parquet data in a full grid. See column types, statistics, distributions, and row counts before exporting.
Export only what you need. Filter rows, select specific columns, or apply transformations before downloading as CSV.
DuckDB efficiently processes large Parquet files with millions of rows. Columnar reading means only needed data is loaded into memory.
Query your Parquet file with full SQL before exporting. Aggregate, join, transform, then download the results as CSV.
Your Parquet file never leaves your device. All processing happens locally in your browser. No upload, no server, no tracking.
Drag a Parquet file onto the page. Schema and data load instantly.
Browse data, view column stats, filter rows, or select columns.
Click Export, choose CSV, and download your converted file.
Go to exploremydata.com/app and drag your .parquet file onto the page. It opens instantly in your browser using DuckDB WASM. No Python, no installation, no command line needed.
Yes. ExploreMyData shows your Parquet data in a full data grid with column statistics, type information, and row counts. You can browse, filter, and sort before exporting to CSV.
CSV is a text-based format, so type information is not stored in the file itself. However, ExploreMyData formats dates, numbers, and other types cleanly so most tools will re-detect them correctly.
Yes. After opening your Parquet file, use filters to select specific rows or use the column selector to choose which columns to include. Then export only the data you need as CSV.
No sign-up, no Python, no installation. Just drop your file and export.
Convert Parquet to CSV Free