Does it preserve order?
Yes. The first appearance of each unique line stays in the same order.
Duplicate Line Remover
Clean repeated values from line-based lists for outreach, inventories, and text processing.
Output
Updates instantly as you type.
apple
orange
banana
Your input is processed in your browser and is not stored.
What this tool does
This duplicate line remover keeps the first appearance of each line and strips repeated entries from the rest of the list.
How to use it
- Paste a line-based list into the input box.
- Review the de-duplicated output instantly.
- Copy the cleaned list.
Example input and output
Input: apple orange apple
Output: apple orange
Common use cases
- Cleaning keyword lists
- Removing repeated emails
- Tidying export data before import
FAQ
Is my text private?
All processing happens in your browser, so your text is not sent to a paid API or stored by this app.
Can I use it on mobile?
Yes. The tool layout is responsive and works on phones, tablets, and desktop browsers.