Remove Duplicate Lines
Remove repeated lines from a list in one click, keeping the first of each.
- 100% free
- Keeps the original order
- Runs in your browser
Last reviewed by the OnlineToolPro team
0 lines
What is the Remove Duplicate Lines?
Paste any list and get back only the unique lines, in their original order. You can ignore differences in capital letters, trim stray spaces and drop empty lines.
How it works
How to use the Remove Duplicate Lines
3 simple steps. No experience needed.
What can you use it for?
- Clean up an email or contact list before importing it.
- Remove repeated keywords or tags from a list.
- Tidy up data copied from a spreadsheet.
FAQ
Frequently asked questions
Which copy of a duplicate is kept?
The first one. Later repeats are removed, and the order of everything else stays the same.
Does “Apple” count as a duplicate of “apple”?
Only if you turn on “Ignore capital letters”.
Is there a size limit?
No practical limit — tens of thousands of lines work fine in a modern browser.
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