Convert a dataset between common data-science formats — everything happens in your browser, your file is never uploaded.
Drop a file or click Choose File. We auto-detect the format from the extension.
Supported input formats:
Maximum file size: 50 MB.
Note: .rda (R) and .pkl (Python pickle) are not supported in-browser —
export them to CSV or Parquet first.
| Column | Inferred type | Sample values |
|---|
Pick an output format. We’ll preserve column types where the target format supports them.
First 50 rows.
Powered by
PapaParse (MIT),
SheetJS (Apache 2.0),
hyparquet (MIT),
and Apache Arrow JS (Apache 2.0).
Open-source acknowledgements