CSV Duplicate Remover
Remove duplicate rows from CSV files instantly.
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Upload your file or drag and drop it into the area below.
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File Summary
Duplicate Removal Options
Remove Duplicate Rows from CSV Online
This tool helps you remove duplicate rows from CSV files instantly. You can remove duplicates using full row comparison or based on a selected column. Everything works directly in your browser, which keeps your file private and secure.
How to use this tool
- Upload your CSV file using drag and drop or the file picker.
- Choose whether to remove duplicates by full row or by selected column.
- Select a column if you want column-based duplicate removal.
- Click the remove duplicates button to clean the data.
- Preview the cleaned output and download the final CSV file.
Frequently Asked Questions
What is a duplicate row in a CSV file?
A duplicate row is a repeated row with the same values as another row in the file.
Can I remove duplicates using only one column?
Yes, this tool lets you remove duplicates by comparing values in a selected column.
Is my CSV file uploaded to a server?
No, all file processing happens in your browser.
Can I use this for Excel files?
Yes. Export your Excel file as CSV first, then use this tool.
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How to use
- Upload your file or enter input
- Choose required options
- Click process button
- Download result