Remove Duplicate Lines
Paste text and instantly remove all duplicate lines. Supports case-insensitive matching, sorting, and blank-line removal.
Frequently Asked Questions
Does it handle blank lines?
Yes — you can choose to remove blank lines along with duplicates using the "Remove empty lines" option.
Is matching case-sensitive?
By default yes. Toggle "Case-insensitive" to treat "Apple" and "apple" as the same line.
Can I sort the result?
Yes — enable "Sort lines" to sort the output alphabetically after deduplication.
Is my text sent to any server?
No. All processing happens entirely in your browser.