Remove Duplicate Lines

🔒 Processed locally in your browser

4.9(199)

Remove duplicate lines from any text instantly. Free online tool to deduplicate lists, clean data, and sort text.

Sort alphabeticallyCase sensitiveTrim whitespace

Original Text (0 lines)

Deduplicated Output (0 unique)

Paste lines of text above to instantly deduplicate them.

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About Remove Duplicate Lines

Paste your text below to instantly remove duplicate lines and keep only unique entries. Useful for cleaning email lists, code snippets, keywords, or any line-based data.

How to Use Remove Duplicate Lines

1Paste your text with duplicate lines in the input box
2Choose whether to keep original order or sort alphabetically
3Copy the deduplicated result

Examples & Calculations

Input: apple, apple, banana → Output: apple, banana

Input: 3 duplicate email addresses → Output: 1 unique address

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