Remove Duplicates from CSV Files

Clean your CSV data by removing duplicate rows instantly. Free, secure, and no installation required.

Remove Duplicates Now

Why Use Our CSV Duplicate Remover?

Fast & Efficient

Process large CSV files quickly and efficiently, right in your browser.

100% Secure

Your data never leaves your computer. All processing is done locally.

Easy to Use

No technical knowledge required. Just upload and transform.

How to Remove Duplicates from Your CSV

1. Upload Your CSV File

Click the upload button and select your CSV file from your computer.

2. Select "Remove Duplicates"

Choose the "Remove Duplicate Rows" option from the transformation menu.

3. Download Your Clean CSV

Click "Transform" and download your CSV file with all duplicates removed.

Example Use Cases

Customer Lists

Clean your customer database by removing duplicate entries to ensure accurate marketing campaigns and avoid sending multiple emails to the same person.

Transaction Data

Remove duplicate transactions from your financial records to ensure accurate reporting and prevent double-counting of sales or expenses.

Frequently Asked Questions

Our tool compares all rows in your CSV file and removes any that are exact duplicates. It keeps the first occurrence of each unique row and removes subsequent duplicates.

Our tool can handle CSV files up to 100MB in size. For larger files, we recommend splitting them into smaller chunks first.

No, your original file remains unchanged. The tool creates a new CSV file with duplicates removed, leaving your original data intact.

Ready to Clean Your CSV Data?

Remove duplicate rows from your CSV file in seconds - completely free!