How remove duplicate lines works
Keeps the first occurrence of each exact, case-sensitive line.
Try an example
apple / pear / apple → apple / pear.
Good to know
Text stays in this tab. Maximum 100,000 characters. Word and sentence boundaries are estimates; language and punctuation can change counts.
Your privacy
Processing happens on this device. We do not upload your input, put it in share links or save it to your favourites. Closing this tab discards the working input; downloaded results remain wherever you save them.