Clean a list down to its unique lines.
This keeps the first appearance of each line and drops every later repeat, then tells you how many it removed. Useful for tidying lists of emails, tags, URLs or names.
Turn on case-insensitive matching to treat "Apple" and "apple" as the same line. Everything stays in your browser.
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Yes. The first appearance of each line stays exactly where it was; only the later duplicates are removed.
Yes — switch on case-insensitive matching and lines that differ only in case are treated as duplicates.