This tool removes duplicate phone numbers from your first CSV file by comparing against your second CSV file. Here's how it works:
Upload two CSV files. The first file is your source file that you want to clean, and the second is your compare file containing numbers to remove.
The system automatically identifies the phone number columns in both CSV files by searching for column headers containing words like "phone", "mobile", "tel", or "number".
Every phone number in your source file is checked against the compare file. If a match is found, that row is removed from your results.
You'll receive a new CSV file containing only the unique records, with detailed stats about the process.