Remove Duplicate Lines
Delete repeated lines and keep a unique list.
How to Use the Remove Duplicate Lines
- Paste or type your text into the box above.
- Click the button to run the remove duplicate lines.
- Use "Copy Result" to grab the output straight to your clipboard.
Frequently Asked Questions
Is the Remove Duplicate Lines free to use?
Yes. Every tool on ToolMint is completely free, with no sign-up and no limit on how many times you can use it.
Does this tool store or upload my data?
No. The Remove Duplicate Lines runs entirely in your browser using JavaScript — nothing you type or upload is sent to a server or stored anywhere.
Is there a limit on how much text I can paste?
You can paste very large blocks of text — since everything runs locally in your browser, the only real limit is your device's memory.