Fix messy CSV files without uploading them.

Remove empty rows and duplicates, trim stray spaces and fix delimiters. Everything runs in your browser, so your data never leaves your device.

Private by design

Files are read and cleaned inside your browser tab. Nothing is uploaded, stored or shared.

See every change first

Removed rows and cleaned cells are highlighted before you download, and each step can be switched off.

Opens correctly in Excel

Detects encodings like Windows-1252 so accents survive, and exports CSV or .xlsx with the delimiter you pick.