DownloadKaro · Free online tool
Remove Duplicate Lines
Paste a list and remove repeated (duplicate) lines instantly — with options to ignore case, trim spaces and sort the result.
Use Remove Duplicate Lines now — free ↗
How to use it
- Paste your list, one item per line.
- Choose options: trim spaces, ignore capital/small, sort A–Z.
- Press Remove duplicates, then Copy clean list.
Why use this tool
- Cleans WhatsApp contact lists, student lists and product lists in seconds
- Tells you exactly how many duplicates were removed
- Keeps the first occurrence and original order (unless sorted)
Common questions
Does it remove empty lines?
Yes — blank lines are skipped and counted separately in the result summary.
Related tools
Word Counter · Password Generator · Typing Test