Remove Duplicate Lines
17 toolsDeduplicate lines in a block of text.
Runs in your browser — your files and text stay on your device
Remove duplicate lines from a block of text and keep one of each. This is handy for cleaning lists of emails, keywords or URLs. The text is processed locally in your browser.
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0 duplicate lines removed
How to use this tool
- 1Paste a list of lines.
- 2Check "Also sort alphabetically" if desired.
- 3The deduplicated list appears below.
Frequently asked questions
Is the check case-sensitive?
Yes — "Line" and "line" are different.
Which duplicate is kept?
The first occurrence, in original order (unless sorted).