Articles on file formats, data handling and privacy, written by the people who build and use these tools.
"Your files never leave your device" is easy to claim and easy to check. Here are three tests that take about two minutes each.
19 October 2026 · 6 min read
Parquet is not automatically better than CSV. Here is how to decide, and how to measure the difference on your own data.
19 October 2026 · 6 min read