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Remove Duplicate Lines

Delete repeated lines while keeping the first occurrence.

Quick answer: enter your details below and click Remove Duplicates — your result appears instantly, right here in your browser. Nothing you enter is uploaded or stored.
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Text & Writing

Enter your details below.

How to use

  1. Paste your list into the box, one item per line.
  2. Click Remove Duplicates.
  3. Copy the deduplicated list.

About this tool

Remove Duplicate Lines scans your text line by line and drops every line that has already appeared. The first occurrence of each line stays in its original position, and the tool tells you how many duplicates it removed.

Frequently asked questions

Which copy of a repeated line is kept?

The first one. Later copies are removed, and the remaining lines keep their original order.

Are lines compared exactly?

Yes. Lines that differ by even one character, including extra spaces, count as different lines and are both kept.

Related tools

All tools · Read the guide: Remove Duplicate Lines