Duplicate Line Remover
Eliminate repeated lines from pasted lists without manual sorting. The first occurrence of each line is kept — ideal for cleaning mailing lists, URL collections, and command output.
Last reviewed: 2026-07-23
Processed locally in your browser. Nothing is sent to a server.
Character count: 0 · Word count: 0 · Line count: 0
How to use
- Paste your list with one item per line.
- Review the deduplicated output instantly.
- Copy the unique lines.
Examples
Dedupe a list
Input
apple banana apple cherry
Output
apple banana cherry
Case sensitivity
By default, Apple and apple are treated as different lines. Enable case-insensitive mode if you want to merge lines that differ only in capitalization.
Frequently asked questions
Is my text uploaded?+
No. This tool processes your text locally in your browser.