Remove Duplicate Lines — Browser Text Tool
TextRemove Duplicate Lines is a browser text tool that keeps only the first occurrence of each line.
What is it
Remove Duplicate Lines lets you paste text, transform or analyze it, and read the result immediately. It is useful for editing, cleanup, and repeatable text preparation without server storage.
result = unique(lines(input))
How to use
- 1Paste or type text.
- 2Choose an option if available.
- 3Read the transformed result.
Reference
| Input | Result |
|---|---|
| Hello World | keeps only the first occurrence of each line |
Sources & standards
- MDN Web Docs: Client-side web APIs - MDN Web Docs
FAQ
Is Remove Duplicate Lines input sent to a server?
No. This tool runs in your browser and does not send input to a server.
Can I use Remove Duplicate Lines on mobile?
Yes. It works on mobile and desktop browsers that support text input.