Remove Duplicate Lines
Text Tools✓ Free🔒 Private
Remove duplicate lines from text, trim spaces, drop empty lines, and sort alphabetically. Free, instant, private — clean up lists in your browser.
Sort:
iAbout Remove Duplicate Lines
Paste any list and instantly remove duplicate lines. Options to ignore case, trim surrounding spaces, remove empty lines, and sort A→Z or Z→A. Shows how many duplicates were removed. Great for cleaning email lists, keyword lists, CSV columns, and any text data. Runs entirely in your browser — nothing is uploaded.
remove duplicate linesdelete duplicate linesdedupe textsort lines alphabeticallyremove duplicates onlineunique linestext deduplicatorclean up list online
?FAQ
Can it ignore case when finding duplicates?
Yes — enable "case-insensitive" so "Apple" and "apple" count as the same.
Can it also sort the lines?
Yes, sort A→Z or Z→A, or keep the original order.
Is there a size limit?
It handles large lists easily, all in your browser with nothing uploaded.