Free Remove Duplicate Lines

Delete duplicate lines from a list and keep only unique ones.

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  • 🔒 Files never leave your device
  • ⚡ Converted in your browser
  • ✅ No account required

Remove Duplicate Lines: The Complete Guide

Paste a list and instantly remove duplicate lines, keeping the first occurrence of each. Optionally ignore case and surrounding spaces.

How to use the Remove Duplicate Lines

  1. Type or paste your text into the box.
  2. Adjust any available options to fit your needs.
  3. Copy the result or download it — done in seconds.

Features

  • Keep only unique lines
  • Case-sensitive or not
  • Ignore leading/trailing spaces
  • Preserves original order

Frequently Asked Questions

Does it keep the original order?

Yes — it keeps the first occurrence of each line in its original position.

Can it ignore case?

Yes, turn off case sensitivity to treat “Apple” and “apple” as duplicates.

Is it free and private?

Yes. It's completely free with no signup, and your text is processed in your browser — nothing is uploaded.

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