Excel tool

Remove Duplicate Excel Rows

Keep the first row for each matching set of selected columns.

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QUICK START

How to use Remove Duplicate Excel Rows

  1. Choose a supported file from your device. For spreadsheets, load the data and choose the worksheet.
  2. Choose the available processing and output options.
  3. Run the tool, review the result, and use the copy or download option provided.
BEFORE YOU BEGIN

What to expect

Excel input supports XLSX. Formula cells use their saved values; the tool does not recalculate formulas. Exports contain values, not the original formatting. CSV and JSON imports preserve text where possible.

Local processing

Your files and inputs are processed in your browser and are not uploaded. Download or copy results before leaving. Normal site and library requests still reach the hosting service.

HELP & TROUBLESHOOTING

Frequently asked questions

What does Remove Duplicate Excel Rows do?

Keep the first row for each matching set of selected columns. Excel input supports XLSX. Formula cells use their saved values; the tool does not recalculate formulas. Exports contain values, not the original formatting. CSV and JSON imports preserve text where possible.

Are my files or input sent to a server?

Your files are processed locally in your browser and are not uploaded. Text inputs and passwords also stay in the tool on your device. The hosting service still receives normal requests needed to serve the website.

Can I recover a result after closing the page?

Download or copy your result before closing or reloading. Optional local history stores tool names and activity counts, not your inputs, passwords, filenames, or results.