Duplicate Line Remover

Free Duplicate Line Remover

Remove duplicate lines from text or find which lines appear more than once. Supports case-sensitive and case-insensitive matching with optional whitespace trimming.

Features

• Remove Duplicates - Keep only the first occurrence of each unique line
• Find Duplicates - Show only lines that appear more than once
• Case-Sensitive Toggle - Match lines with exact or case-insensitive comparison
• Trim Whitespace - Ignore leading and trailing spaces when comparing