Clean
Remove Duplicate Lines
Remove repeated lines and keep only unique lines.
Text Input
Paste or type your text below
Free Online Duplicate Line Remover
Remove duplicate lines from text instantly with TextGroom's free online duplicate line remover. Paste a list or block of text, remove repeated lines, and keep only the first occurrence of each line.
What is a duplicate line remover?
A duplicate line remover identifies repeated lines in your text and removes the duplicates. The first occurrence of each line is kept, while repeated occurrences are removed and the original line order is preserved.
How to remove duplicate lines
- Paste or type your text into the editor above.
- Make sure each item you want to compare is on its own line.
- Click the Remove Duplicate Lines button.
- Copy the cleaned text when you are finished.
When is removing duplicate lines useful?
This tool is useful for cleaning lists, keywords, copied data, email addresses, names, URLs, notes, and other text where the same line may appear more than once.
Does it keep the original order?
Yes. TextGroom keeps the first occurrence of every unique line in the same order it appeared in your original text.
Remove Duplicate Lines FAQ
Does the tool remove every repeated line?
Yes. Each unique line is kept once, while later identical occurrences are removed.
Does it change the order of my lines?
No. The first occurrence of each line remains in its original position relative to the other unique lines.
Are duplicate lines compared exactly?
Yes. Lines are compared exactly, so differences in letters, spaces, or punctuation can make two lines different.
Is the Remove Duplicate Lines tool free?
Yes. TextGroom's Remove Duplicate Lines tool is completely free to use, and your text is processed directly in your browser.