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One box, one click: remove duplicate lines (keeping first occurrences), drop empty lines, trim leading and trailing spaces, sort lines A→Z or Z→A, or merge everything into a single paragraph. Live statistics show exactly how many lines and duplicates were removed.
Clean exported data, mailing lists, keyword lists, log extracts, or any copy-pasted list that arrived messy. Everything processes locally in your browser — paste freely.
No — the first occurrence of each line is kept in its original position; later copies are dropped. Combine with sorting only if you want an ordered result.
Yes — enable "Trim whitespace" together with "Remove duplicate lines" and lines are normalized before comparison, so "apple" and " apple " count as duplicates.
Use "Join into one line": lines merge into a single paragraph separated by spaces. For custom separators, join first and then use find-and-replace in your editor.
PureKit · text-cleaner · Free online tool — files processed locally in your browser, no upload.