Remove duplicate lines from a list.
Paste lines into the field, select any options below, and press Submit. Results appear at the bottom of the page. Note: Processing an extremely large list can slow your computer. See details here.
Paste lines in the field below. Press Submit.

What is Remove Duplicates?
Remove Duplicates is a tool to clean up your lists by removing duplicate lines. Perfect for developers, data analysts, and anyone working with text data.
- Powerful OptionsCustomize the process with options like ignoring case, keeping blank lines, and sorting results.
- Simple InterfaceOur simple interface lets you remove duplicates in seconds. Just paste and click.
- Instant ResultsGet your cleaned-up list instantly, right in your browser.
Why Choose Remove Duplicates?
Clean your data efficiently and securely.



How to Use Remove Duplicates
Clean your list in three simple steps:
Key Features of Remove Duplicates
Everything you need to clean up your lists and text data.
Remove Duplicates
Quickly remove all duplicate lines from your text.
Simple & Fast
Clean your list with a simple interface in just a few seconds.
Copy & Paste
Easily copy the cleaned text to use anywhere.
Free to Use
Enjoy using this tool completely free of charge.
Client-Side
All processing happens in your browser, your data is safe.
Mobile Friendly
Use our tool on the go with our mobile-friendly design.
People Love Remove Duplicates
for its simplicity and speed.
Used by
1000s
Users Daily
Offers
Options
Like Sorting
Cleans in
Seconds
Frequently Asked Questions About Remove Duplicates
Have another question? Feel free to reach out.
What is Remove Duplicates?
Remove Duplicates is a simple and free online tool that removes duplicate lines from your text or lists.
Is Remove Duplicates easy to use?
Absolutely! Just paste your text, select your options, and get the cleaned result. No technical skills needed.
Is my data safe?
Yes, your data is safe. All processing is done in your browser. Nothing is sent to our servers.
Is Remove Duplicates free?
Yes, this tool is completely free to use.
How does it work?
The tool uses JavaScript to split your text into lines, identify and remove duplicates based on your selected options, and then joins the lines back together.
Can you add more features?
Yes! We're always open to feedback and suggestions for new features. Feel free to contact us.
Clean Your List Now!
Remove duplicate lines with ease.