Text toolsUpdated July 2026
Free Remove Duplicate Lines Tool
Remove duplicate lines from a list of text while preserving the original order.
Free online tool
No signup
Copy-ready result
Browser-first privacy
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Input
Output
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How to remove duplicate lines
- Paste your list, one item per line.
- Choose whether to trim whitespace, ignore case, or remove empty lines.
- Copy the deduplicated result.
How duplicates are detected
The first occurrence of each line is kept and later duplicates are removed, preserving the original order of your list.
Common use cases
- Clean up a list of emails or names with duplicates
- Deduplicate a list before importing it elsewhere
- Remove repeated lines from pasted data
Frequently asked questions
Is this tool free?
Yes. It is completely free, with no signup and no limits.
Is my list uploaded anywhere?
No. Deduplication happens entirely in your browser.
Does this keep the first or last occurrence?
The first occurrence of each unique line is kept.
Can I ignore case when comparing lines?
Yes. Enable Ignore case to treat "Example" and "example" as duplicates.
Can this remove blank lines too?
Yes, using the Remove empty lines option.