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Remove Duplicate Lines
Remove all duplicate lines from any text instantly, keeping only unique lines. Optionally sort the output alphabetically or preserve original order. Toggle to keep or remove blank lines. Paste text, click, copy the clean result.
Updated June 2026
- 1Paste your list of lines
- 2Duplicates are removed instantly
- 3Copy the cleaned list
How to use Remove Duplicate Lines
- 1
Paste your list of lines
Drop any list — emails, URLs, keywords — into the input box.
- 2
Duplicates are removed instantly
The tool strips duplicate lines, keeping only unique entries in their original order.
- 3
Copy the cleaned list
Grab the de-duplicated result with one click.
Frequently asked questions
Everything you need to know about remove duplicate lines.
Yes, by default the original order is preserved and only duplicate occurrences are removed. Enable the sort option to alphabetically order the unique lines.
You can choose. A toggle lets you keep blank lines as-is, or remove them along with duplicate blank lines.
No. You can process documents with thousands of lines instantly in your browser.
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