Remove Duplicate Lines
Lists often contain repeated rows after copy/paste. This tool removes duplicate lines and keeps the first occurrence.
Paste your list, remove duplicates, and copy the cleaned output instantly.
Input Text
Cleaned Text
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Try It in 30 Seconds
Paste a list that includes repeated lines.
Keep "Remove Duplicate Lines" enabled.
Click Clean Text to keep only the first instance of each line.
Examples
Example 1
Input
alpha beta alpha gamma beta
Output
alpha beta gamma
Example 2
Input
Alpha alpha ALPHA Beta Beta
Output
Alpha alpha ALPHA Beta
Example 3
Input
sam@example.com lee@example.com sam@example.com rory@example.com
Output
sam@example.com lee@example.com rory@example.com
How It Works
Paste line-separated data into the input box.
Remove duplicate entries in one click.
Copy the cleaned list for your spreadsheet or database.
Common Sources
Frequently Asked Questions
Does this keep the first or last duplicate?
It keeps the first occurrence and removes later duplicates.
Is it case-sensitive?
Yes. Lines are matched exactly as written.
Can I sort after removing duplicates?
Yes. Enable Sort Text Lines to order the output.
Does it remove empty lines too?
Not unless you also enable Remove Empty Lines.
How is this different from Keep Unique Lines?
Remove Duplicate Lines keeps one copy; Keep Unique Lines removes all duplicates.