ARROW converter, in your browser.
Convert ARROW (Arrow IPC) files to CSV, JSON and PARQUET, or turn other files into ARROW. Everything on this page is converted in your browser, so your files never leave your device.
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About ARROW
Arrow files store a table in the same column-wise layout the Arrow library uses in memory, so a program can read the data without parsing it. It is written for speed rather than size. The streaming variant uses the .arrows extension. Feather version 2 is the same file format.
Arrow is binary, and spreadsheet programs cannot open it. Arrow is typed and quick for analytics tools to load.
- Stands for
- Apache Arrow IPC file
- Type
- Columnar data file
- Compression
- None by default (LZ4 or Zstandard optional)
- Introduced
- 2016, by the Apache Software Foundation
- Opens in
- pandas, Polars, DuckDB, R's arrow package and other analytics tools; not Excel
- Best for
- Passing tables between data tools without conversion cost
- File extension
- .arrow, .arrows
- MIME type
- application/vnd.apache.arrow.file
Questions
How do I open an ARROW file?
ARROW opens in: pandas, Polars, DuckDB, R's arrow package and other analytics tools; not Excel. If your device or app cannot open it, convert it to CSV or JSON above.
What can I convert ARROW to?
ToAny converts ARROW to CSV, JSON and PARQUET.
What can I convert to ARROW?
ToAny creates ARROW files from CSV, JSON and XLSX.
Are my files uploaded?
No. Every ARROW conversion listed here runs inside your browser. The files stay on your device.
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