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Remove Duplicate Lines

Remove duplicate lines from your text instantly. Clean up your lists, data, and notes with one click.

Input Text

0 Characters · 0 Lines

Paste or type your text below.

Your text is private and not stored. All processing is done in your browser.

Output Text 0 Characters · 0 Lines

Cleaning Summary

0
Total LinesIn output
0
Duplicate LinesRemoved
0
Unique LinesPreserved

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How it works

1. Paste Your Text

Add or paste your text into the input box.

2. Clean Your Text

Remove duplicate lines with one click.

3. Copy or Download

Copy the cleaned text or download as a .txt file.

Frequently Asked Questions

It deletes any line that appears more than once, keeping only one copy.

Duplicate lines means identical full lines; extra spaces means whitespace within or around lines.

No — all processing is done locally in your browser.

Your original text remains in the input box — simply copy from there to restore.

Yes — it handles thousands of lines instantly.