de-duplicate a list
This tool scans a list of text, line by line, and removes any duplicates, leaving only unique entries in their original order.
Cleaning up a list of email addresses or names before sending a mailing.
De-duplicating a list of URLs, keywords, or tags.
Tidying up data pasted from multiple sources with overlapping entries.
A case-sensitivity toggle lets you decide whether "Apple" and "apple" count as duplicates or as distinct lines.
Yes — the first occurrence of each unique line is kept in its original position.
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