Remove duplicate rows
Remove duplicate rows from a spreadsheet, by whole row or by a column such as Email.
Choose your file
Drop your file here
CSV, TSV, TXT, XLSX, XLS, XLSM files. Nothing is uploaded — your file stays on this device.
Settings
Type column names separated by commas, for example Email. Rows that match on these columns count as duplicates, and the first one is kept.
Add a file to continue.
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About Remove duplicate rows
- What does Remove duplicate rows do?
- Remove duplicate rows from a spreadsheet, by whole row or by a column such as Email.
- Who is it for?
- Analysts and operations teams moving data between systems, developers who need a quick format conversion, and anyone whose CSV keeps breaking when Excel opens it.
- Is it free?
- Yes. Remove duplicate rows is free with no account, no watermark on your output, no daily cap and no trial period. Because it runs on your own device it costs us nothing to run, which is why there is no catch.
- Is it safe to use with confidential files?
- Yes, and not because we promise to behave. Remove duplicate rows never sends your file anywhere — the work happens in your browser. There is no upload, so there is no copy of your document in our systems at any point.
- What file formats are supported?
- Input: CSV, XLSX, XLS. Output: XLSX, CSV.
How to use it
- 1
Add your file
Drag it onto the box above, or use Browse files. On a phone you can also take a photo or pick from your camera roll.
- 2
Check the settings
Sensible defaults are already chosen. Most people never need to change them.
- 3
Run it
The progress bar shows real progress, not a decorative animation. Everything happens on your device.
- 4
Preview the result
Look at the output before you download. If it is not right, adjust a setting and run it again — nothing has been saved anywhere.
- 5
Download
Save the file. Closing this tab discards it from memory, so download anything you want to keep.