Remove Duplicate Lines

Remove duplicate lines from your text

✨ 100% Free Tool - No sign-up required!

How to use: Paste text with duplicate lines → Choose case sensitivity → Click Remove → View clean text

If unchecked, "Hello" and "hello" will be treated as duplicates

Frequently Asked Questions

Is this duplicate remover tool free?

Yes! This duplicate line remover is completely free with no sign-up required. Remove unlimited duplicate lines from any text instantly with optional case-sensitivity settings.

How do I remove duplicate lines from text?

Paste your text with duplicate lines into the input box, choose whether to use case-sensitive matching, then click "Remove Duplicates". The tool will display unique lines only, showing statistics on duplicates removed.

What does case sensitive mean?

With case-sensitive OFF, "Hello" and "hello" are treated as duplicates. With case-sensitive ON, they're treated as different lines. Choose based on whether capitalization matters for your data.

When would I need to remove duplicate lines?

This tool is perfect for cleaning email lists, removing duplicate URLs, consolidating data files, deduplicating keywords, organizing lists, cleaning CSV data, or any situation where you need unique entries from a list.

Does this tool preserve the original order of lines?

Yes! The duplicate remover preserves the order of first occurrence. If a line appears multiple times, only the first instance is kept in its original position, maintaining your list's structure.