Remove Duplicate Lines
β‘ Runs locallyπ No uploadsπ Free, no sign-up
Cleaning up a keyword list, email list or log file full of repeats? Paste it here: duplicates are removed in one click, with optional sorting, shuffling and whitespace cleanup.
Works on any line-based list. Nothing leaves your browser, so private data stays private.
How to use
- Paste your text, one entry per line
- Choose options: keep first occurrence, sort, shuffle, ignore blank lines
- Copy the deduplicated result
FAQ
How does deduplication decide which copy to keep?
By default the first occurrence of each line is kept and later repeats are dropped, preserving your original order unless you enable sorting.
Can it also sort the lines?
Yes β enable sorting to deduplicate and alphabetize in one pass, or shuffle for randomization.
Is there a size limit?
It handles tens of thousands of lines comfortably since everything runs locally in your browser.