Remove Duplicate Lines
FreeRemove duplicate lines from your text instantly. Clean up lists, find duplicates, and keep only unique lines.
How to Use
- Paste your text with one item per line into the input box
- Choose your preferred options (case sensitivity, whitespace handling)
- Select a mode to process your text
- Copy the cleaned result
Available Modes
- Remove All Duplicates: Keeps only lines that appear exactly once, removing all instances of repeated lines.
- Keep First Occurrence: Keeps the first instance of each unique line, removing subsequent duplicates.
- Keep Last Occurrence: Keeps the last instance of each unique line, removing earlier duplicates.
- Show Only Duplicates: Displays only the lines that appear more than once in your text.
Features
- Case sensitive/insensitive matching
- Automatic whitespace trimming
- Empty line handling
- Real-time processing
- Statistics display
- 100% client-side processing