Remove Duplicate Lines
Quick Tips
- • This tool runs entirely in your browser - your data stays private.
- • Press Ctrl+V (Cmd+V on Mac) to quickly paste text.
- • Use the Copy button to save your result to clipboard.
- • Bookmark this page for quick access!
Remove duplicate lines, keeping unique entries.
Examples
apple banana apple
apple banana
Frequently Asked Questions
Lines must be exactly identical to be considered duplicates.
Yes, "Hello" and "hello" are treated as different.
The first occurrence is kept; subsequent duplicates are removed.
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