How to use the Remove Duplicate Lines
- Paste or type your text
- Choose what you want to do
- Copy or download the result
About the Remove Duplicate Lines
Clean up email lists, keywords and data by removing duplicate lines, with options for case sensitivity, trimming and empty lines.
Instant resultsEverything updates live as you type. No buttons to wait on.
PrivateYour input never leaves your browser and is never stored.
Free foreverNo signup, no limits and no paywall.
Works offlineInstall the site as an app and use it anywhere.
Remove Duplicate Lines FAQ
Is the Remove Duplicate Lines free?
Yes, it is 100% free with no signup, no watermarks and no usage limits.
Is my data private?
Yes. Everything is calculated in your browser. Nothing you type is sent to or stored on a server.
Does it work on phones and tablets?
Yes. The tool works in any modern browser on Android, iPhone, iPad, Windows, Mac and Linux.