How to Remove Duplicate Lines
1. Paste Text
Paste your text containing repeated lines.
Paste your text containing repeated lines.
2. Choose Options
Choose whether to keep the first or last occurrence and whether to ignore case.
Choose whether to keep the first or last occurrence and whether to ignore case.
3. Remove Duplicates
Click Remove Duplicates and copy the cleaned result.
Click Remove Duplicates and copy the cleaned result.
Online Duplicate Line Remover
DebTech's Remove Duplicate Lines tool helps clean lists, text files, copied data and repeated entries by removing duplicate lines directly in your browser.
Available Options
- Keep first occurrence: Keeps the first copy of each line and removes later duplicates.
- Keep last occurrence: Keeps the last copy of each line and removes earlier duplicates.
- Ignore case: Treats uppercase and lowercase versions of the same text as duplicates.
- Remove empty lines: Removes blank lines from the result.
Frequently Asked Questions
Is this tool free?
Yes. DebTech's Remove Duplicate Lines tool is free to use.
Is my text uploaded?
No. The duplicate detection happens locally in your browser.
Can I use it on mobile?
Yes. The page is responsive and works on phones, tablets and desktop computers.