Remove Duplicate Lines
Remove duplicate lines from any text list while keeping order.
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What is Remove Duplicate Lines?
This tool filters repeated lines from pasted text — handy for cleaning email lists, tags, and log files.
How to use
Paste your text with one item per line.
Click Remove Duplicates.
Copy the cleaned result.
Benefits
- Preserves original order
- Case-sensitive option
- Instant results
Frequently Asked Questions
Is this tool free?
Yes. This tool is completely free to use with no sign-up, no limits, and no hidden fees.
Does my data leave my browser?
No. All processing happens entirely in your browser using client-side JavaScript. Your data is never sent to a server or stored anywhere.
Feedback & report a problem
Found a bug or have a suggestion? Let us know — it helps us improve this tool.
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