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About Remove Duplicate Lines
Remove Duplicate Lines deletes repeated lines from your text and keeps each line once, in its original order. It is useful for email lists, keywords, URLs and exports.
Tips for best results
- Turn on Ignore upper and lower case so Apple and apple count as the same line.
- Trimming spaces catches lines that look the same but have a space at the end.
- Keep the original list until you check the result.
How to use Remove Duplicate Lines
- 1
Paste your lines
Add one item per line.
- 2
Choose the options
Ignore case, trim spaces, remove empty lines or sort the result.
- 3
Copy the clean list
The result shows how many lines were removed.
Frequently asked questions
Which copy of a duplicate is kept?
The first one. Later copies are removed and the order of the rest does not change.
Can it handle thousands of lines?
Yes. Lists with tens of thousands of lines work fine in most browsers.
Is my text uploaded?
No. This tool runs inside your browser, so your data is processed on your own phone or computer and is not sent to our servers.