BuildUtilities

Remove Duplicate Lines – Free Online Tool

Remove duplicate lines from text while preserving the original order.

2 duplicate line(s) removed

apple
banana
cherry

Example

Input

apple
banana
apple
cherry
banana

Output

apple
banana
cherry

Duplicate lines are removed while preserving the first occurrence of each.

How to Use Remove Duplicate Lines

  1. 1

    Paste Text

    Paste your text with duplicate lines.

  2. 2

    Remove Duplicates

    Click the button to remove duplicate lines.

  3. 3

    Copy Result

    Copy the deduplicated text.

Common Use Cases

  • Cleaning up log files with repeated entries
  • Deduplicating lists of URLs or emails
  • Preparing data for import

Embed This Tool

Add this tool to your website or blog with a simple iframe embed.

<div style="max-width:480px"><iframe src="https://buildutilities.com/embed/remove-duplicate-lines?ref=embed" width="480" height="360" frameborder="0" style="border-radius:8px;border:1px solid #2a2e3a;width:100%"></iframe><p style="font:11px sans-serif;color:#888;margin:4px 0 0;text-align:right">Powered by <a href="https://buildutilities.com/remove-duplicate-lines?ref=embed" target="_blank" rel="noopener">BuildUtilities</a></p></div>

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https://buildutilities.com/share/remove-duplicate-lines

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