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
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.
Example (Input and Output)
Input
alpha
beta
alpha
gamma
beta
Output
alpha
beta
gamma
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.
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 keep only unique lines instead?
Yes. Use the Keep Unique Lines tool for that.
Does it remove empty lines too?
Not unless you also enable Remove Empty Lines.
Is my text stored?
No. Everything runs locally in your browser.