Remove Duplicate Lines
Delete repeated lines from lists and keep only unique entries.
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About the Remove Duplicate Lines
Remove Duplicate Lines cleans up email lists, keywords, IDs and any line-based data. Duplicates are removed while the original order of the first occurrences is preserved, and the tool reports how many lines were removed.
How to use the Remove Duplicate Lines
- Paste your list, one item per line.
- Choose case sensitivity and whether to ignore surrounding spaces.
- Copy or download the unique lines.
Frequently asked questions
Is the original order kept?
Yes. The first occurrence of each line stays where it was.
Are empty lines removed?
Empty lines are kept as they are; use Remove Extra Spaces to clean them up.