About This Free Duplicate Remover Tool

This is a free online duplicate line remover. Paste any text with duplicate entries, click one button, and get clean, unique results instantly. Perfect for cleaning up messy data.

Features

Duplicate Removal — Instantly remove duplicate lines while keeping the first occurrence
Case Sensitivity Option — Treat "Apple" and "apple" as same or different
Whitespace Trimming — Automatically trim leading/trailing spaces
Empty Line Removal — Optionally remove blank/empty lines
Sort Results — Alphabetically sort output after deduplication
Live Statistics — See total lines, duplicates, uniques, and removed count