Remove duplicate lines
Remove repeated lines while preserving first occurrence.
Input
Example only; use “Try an example” to fill it in.
Load file
Files are processed in this browser, without uploading.
Processed on your device
Result —
Processed on your device · Free to use · No sign-up
Example input and output
Input
apple banana apple
Result
apple banana
How to use
- Enter or paste your content, or try the example.
- Run the tool and review the output.
- Copy your result or explore a related tool below.
Input format & limitations
Remove repeated lines while preserving first occurrence.
Frequently asked questions
Do I need to upload data or sign up?
Local tools do not send input. IP and DNS lookups send the query and connection IP to the listed third parties only after a click.