CSV Janitor
Remove Duplicate Lines
The fastest way to remove duplicate lines from a text file or list. Browser-based and private.
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About This Tool

Removing duplicates in Excel can be slow and confusing. This **Duplicate Line Remover** is the simplest way to clean a list. It compares every line in your text and deletes exact matches, leaving you with one unique copy of each item.

How to Use

  1. Paste your list (one item per line).
  2. Click 'Run Tool'.
  3. We instantly remove repeated lines.
  4. Copy the unique list.

Frequently Asked Questions