Excel to CSV
Convert Excel files to CSV in seconds, right in your browser. Your files never leave your device — no upload, no sign-up, no watermark.
Need more than this?
GUI Hub Data opens files too big for Excel, combines many sheets or CSVs into one table, removes duplicates, and lets your AI query the data locally. 3 free uses per tool; $9 once.
Private by design
The work happens in this browser tab using open-source code loaded from jsDelivr. Your files are not sent anywhere.