Remove duplicate lines from any text. Choose case-sensitive or insensitive matching, trim whitespace, and see how many duplicates were removed.
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Quick answers to common questions
The tool reads your text line by line, keeping only the first occurrence of each unique line. Subsequent duplicates are removed.
With case-sensitive matching, "Apple" and "apple" are treated as different lines. Without it, they are considered duplicates.
Empty lines are treated as duplicates too — only the first empty line is kept unless you trim whitespace first.
Yes. Paste one email per line and remove duplicates to clean your mailing lists before importing to any email tool.
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