Remove Duplicate Lines
Remove repeated lines and keep unique lines in your text with one click.
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Overview
Remove repeated lines from text lists while keeping unique entries. Useful for logs, keyword lists, and CSV-like one-item-per-line cleanup.
How to use
- Paste lines into the input.
- Run duplicate removal.
- Copy the cleaned output.
Examples
-
Keyword list
Input: apple\napple\nbanana
Output: apple\nbanana
-
Log cleanup
Input: INFO A\nINFO A\nINFO B
Output: INFO A\nINFO B
Notes
- Leading/trailing spaces can make lines appear different.
- Case sensitivity affects duplicates.
- Validate output when order matters.
FAQ
- Is the original order preserved?
- Yes, first-seen order is retained.
- Are empty lines removed?
- Depends on input; check output if blank lines are meaningful.
- Can I process thousands of lines?
- Yes for typical browser limits, but very large inputs may slow down.
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