Remove Duplicate Lines

Clean up lists by removing duplicate lines.

100% Private — Nothing is Uploaded

All processing happens locally in your browser. Your files never leave your device and are never sent to any server.

Input text

Mode

Options

Ignore case

Trim whitespace

Remove empty lines

Result

About the Remove Duplicate Lines Tool

This tool removes duplicate lines from a block of text. Useful for cleaning up lists, log files, and email lists.