Writing Tools
Remove Duplicate Lines
Remove duplicate lines online — fast, easy, and 100% free. Paste any list of names, emails, or entries and get back only the unique lines, kept in their original order, with an optional case-sensitive toggle.
- Preserves original line order
- Case-sensitive toggle
- Instant in-browser cleanup
Frequently asked questions
How do I remove duplicate lines from a list?
Paste your multi-line text in. The tool strips out repeated lines instantly while keeping the remaining ones in their original order.
Can it tell the difference between uppercase and lowercase duplicates?
Yes, a case-sensitivity toggle lets you choose whether 'Apple' and 'apple' count as duplicates.