Does this remove duplicate rows too?

No — use CSV Duplicate Remover for that; this tool only trims whitespace and drops empty rows.

CSV Cleaner

CSV Cleaner trims whitespace from every cell and removes entirely empty rows from a CSV file.

Click to upload a fileor drag and drop

Remove duplicate rows from a CSV file.

Check a CSV file for inconsistent rows.

Combine multiple PDF files into one document.

Split a PDF into individual single-page files.