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Duplicate Line Remover

Remove duplicate lines from text. Supports case-sensitive matching, whitespace trimming, and sorting.

Paste text with multiple lines

Case-sensitiveTrim whitespaceSort output

⚡Deduplication Tips

• Use case-insensitive mode to catch duplicates with different capitalization
• Enable trim whitespace to ignore leading/trailing spaces when comparing
• Sort output alphabetically for easier review of unique entries
• Paste lists of emails, URLs, or keywords to quickly deduplicate them

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