YOUR DATA, YOUR DEVICE

Privacy, in plain English.

CSV files are read and processed in your browser. File names, contents, previews, and cleaning reports are not sent to a server. Downloads are generated on your device. Closing or reloading the tab clears imported files from the tool.

Browser storage

Named cleaning recipes (including header names) and a cumulative free-trial import counter are stored in localStorage on this browser. Data rows are never saved. You can delete recipes in the tool or clear this site’s browser data. Clearing browser data also clears the free usage counter.

Website requests

Your browser requests the website’s HTML, scripts, and styles from its host. A future hosting provider may record ordinary access logs, such as IP addresses. This version includes no analytics, advertising trackers, account system, or payment collection.

Exports

Exports protect spreadsheet formula prefixes with an apostrophe. CSV files have no data type metadata; import identifier columns as Text in Excel to preserve leading zeros when reopening.