Free Excel Duplicate Row Remover
Upload a CSV or Excel file, choose the columns to check, and download a deduplicated copy in seconds.
How to use Excel Duplicate Row Remover
Upload a CSV or Excel file, choose the columns to check, and download a deduplicated copy in seconds.
Frequently asked questions
Can I choose which columns to check for duplicates?
Yes. You can check all columns (exact row match) or select specific columns — for example, deduplicate by email address only.
Which row is kept when duplicates are found?
The first occurrence is kept; all subsequent duplicates are removed.
Is my data uploaded?
No. Everything runs locally in your browser.
What file formats are supported?
CSV (.csv) and Excel (.xlsx) files are both supported. Output is downloaded as .xlsx.
Is there a row limit?
No hard limit. Very large files may take a few seconds to process.