Duplicate Line Remover
Scan text lines and remove exact duplicates, keeping only the first occurrence.
Input
0 charsOutput
0 charsRelated Tools
Find & Replace
Find and replace text with full Regular Expression (Regex) support.
Remove Extra Spaces
Clean double spaces, messy tabs, and unwanted blank lines.
Reverse Text / Lines
Reverse text letter by letter or reverse line order from bottom to top.
Sort Lines
Sort lines alphabetically (A-Z or Z-A) or by character length.
Case Converter
Convert to lowercase, UPPERCASE, camelCase, PascalCase, snake_case, kebab-case, or Title Case.
Extract Emails / URLs
Extract all email addresses or URLs from a block of text.