Remove Duplicate Lines
Paste a list and get every line only once — original order kept.
- Processed locally — your files never leave your device
- Free, no sign-up
- No file limits
Input
Output
How to use Remove Duplicate Lines
- 1
Paste or type your text in the left box.
- 2
The result of “Remove Duplicate Lines” appears instantly on the right — adjust the options if needed.
- 3
Copy the result or download it as a .txt file.
Features
- Smart matchingOptionally ignore upper/lower case and extra spaces when comparing.
- InstantThe result updates as you type — no button to press.
- PrivateYour text is processed in your browser and never uploaded.
Frequently asked questions
Does it keep the original order?
Yes. The first occurrence of each line stays where it was; later repeats are removed.
Is my text stored anywhere?
No. Everything runs locally in your browser.
Is it free?
Yes, completely free with no limits and no sign-up.