Delete repeated lines from a list and keep each one once.
The remove duplicate lines tool deletes repeated lines from a list and keeps the first occurrence of each one, in the original order. Ignore the letter case and the spaces at the start and end of lines to catch near duplicates, and remove the empty lines.
Clean keyword lists, email lists, URLs, product codes or log files in seconds. The counters show how many lines were removed.
The first occurrence of each line stays in place.
Catch duplicates that differ only by case or spaces.
Total, unique and removed lines.
Hundreds of thousands of lines, in your browser.
No, the lines stay in their original order.
Yes, remove the duplicates here, then use the line sorter.
Only when the Remove empty lines option is on.
No, everything runs in your browser.