Arrow viewer
To open a Arrow file, drop it in the box below. It opens straight away, even with no extension or the wrong one. Your browser opens it on your device: nothing is uploaded.
What you see
| Arrow in the viewer | |
|---|---|
| Layouts | IPC file (.arrow, .feather) and IPC stream (.arrows) |
| Compression | LZ4 frame and Zstandard |
| Types | Numbers, text, dates, timestamps, decimals as exact text, lists and structs as JSON, dictionaries |
| Size | Files up to 1 GB |
| Extensions | .arrow, .feather, .arrows, .ipc |
| Upload | None: opened on your device |
What is a Arrow file?
Apache Arrow IPC files hold typed columns ready for memory, written by pandas, Polars, DuckDB and R. Feather version 2 is the same format.
The rows in a table you can sort, filter and search. Schema lists each column and its type. Details lists the rows, record batches, dictionaries and compression.
How to open a Arrow file
- Add your Arrow. Drop the file in the box, choose it or paste it.
- Look at it. The rows in a table you can sort, filter and search. Schema lists each column and its type. Details lists the rows, record batches, dictionaries and compression.
- Take it further. Open in hands it, in a new tab, to File converter.
Questions
Drop it here: Feather 2 is an Arrow IPC file, and its rows open as a table. Feather 1, an older layout, is not read.
Yes. Open in, Convert saves the rows as CSV, Excel, JSON or JSON Lines.
No. The viewer runs in your browser and opens the file on your device. Nothing is sent anywhere.