Clean up lists quickly
Email lists, keyword lists and log files often contain duplicates. This tool keeps the first occurrence of each line and removes the rest, while preserving the original order.
How to use the Remove Duplicate Lines
- 1Paste your list, one entry per line.
- 2Choose case sensitivity and trimming.
- 3Copy the cleaned list.
Frequently asked questions
Is the order preserved?
Yes. The first occurrence of each line stays where it was.
Is my list uploaded?
No. It is processed in your browser.