Free Duplicate Line Remover

Clean your data instantly. Paste a list with repeated entries and get a clean, unique list back.

Duplicate Line Remover

Remove duplicate lines from your text

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Work Steps

Step 1
Enter your age in days, months, and years in the text box.
Step 2
You will see your current age.

Options

Keep First/Last
Decide which duplicate to retain.
Case Insensitive
Treat "Apple" and "apple" as duplicates.
Sort Results
Optionally alphabetize the output.

Frequently Asked Questions

What is Duplicate Line Remover and what is it used for?

It removes repeated lines from a block of text, normally keeping one copy of each unique line.

Paste the text, run the duplicate-removal action, and choose whether order and case should be preserved if options are available.

Some tools compare lines exactly; others can ignore leading/trailing spaces or letter case.

It is useful for cleaning lists, URLs, keywords, logs, imports, and copied data.

If order matters, use a tool that preserves first occurrence order rather than sorting the output.

Unexpected duplicates can remain because whitespace, capitalization, punctuation, or hidden characters make lines technically different.