Remove Duplicate Lines
Delete repeated lines from a list while keeping the first occurrence of each.
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How to use Remove Duplicate Lines
- Add your input. Paste or type your content into the input area.
- Pick any options. Choose the settings you need for Remove Duplicate Lines, or keep the defaults.
- Copy the result. Copy or download the output. Everything happens in your browser.
Why use Remove Duplicate Lines?
- Private by design: runs in your browser, nothing is uploaded
- Free with no sign-up and no watermark
- Fast, with no upload or download wait
- Works on phone, tablet and desktop
Common uses for Remove Duplicate Lines
- Clean up email or keyword lists.
- Deduplicate log files or exports.
- Prepare unique values for a spreadsheet.
Private by design
Remove Duplicate Lines runs entirely in your browser. Whatever you type or paste is processed on your device and is never sent to our servers. Read our Privacy Policy for details.
Frequently asked questions
Does it keep the original order?
Yes. The first occurrence of every line stays in its original position.
Is Remove Duplicate Lines free to use?
Yes. Remove Duplicate Lines is free, needs no account and never adds a watermark to your result.
Is my input sent to a server when I use Remove Duplicate Lines?
No. Remove Duplicate Lines runs in your browser and nothing you enter is sent to our servers.
Does Remove Duplicate Lines work on my phone?
Yes. Remove Duplicate Lines is fully responsive and works in the browser on Android, iPhone, tablets and desktop computers.
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