Duplicate Line Remover
Remove duplicate lines from multiline text. Example: test\ntest → test
Duplicate Line Remover
Need to clean up a list full of repeated lines? The Duplicate Line Remover is a quick and easy way to remove duplicates from any block of text. It works line by line and keeps only the unique ones — saving you time and keeping things tidy.
This tool is case sensitive, which means it treats lines like Apple and apple as different. Great for situations where exact formatting matters, like sorting lists, editing logs, or processing text data.
Frequently Asked Questions
It goes through your input one line at a time and deletes any lines that show up more than once. Only the first appearance of each unique line is kept.
Yes — the tool is fully case sensitive. That means “Hello” and “hello” are considered two separate lines and both will be kept if they appear.
Anything with line breaks — like lists, code blocks, logs, email addresses, usernames, or notes. Just paste it in, clean it up, and copy it back out.
Yes — it’s 100% free, and it runs entirely in your browser. Nothing gets uploaded or saved.
Clean Text, Fast
Use the Duplicate Line Remover above to instantly filter out repeated lines while keeping full control over formatting — including case differences.