Remove Duplicate Lines
Removes repeated lines and keeps the first copy of each. Lines must match exactly, including capital letters.
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What is Remove Duplicate Lines?
A duplicate line is a line that appears more than once in a text. Lists of emails, keywords and URLs often collect duplicates that need cleaning up.
What this tool does
Looks at each line of your text and removes any line that has already appeared. The first occurrence stays, and the order of the remaining lines does not change. Lines must match exactly, including capital letters.
How to use it
- Paste your list with one item per line.
- Press the remove duplicates button.
- Copy the cleaned list.
Did you know?
- Because matching is exact, Apple and apple count as different lines.
- Removing duplicates is one of the most common cleanup steps for mailing lists and keyword lists.