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Duplicate Line Remover - Remove duplicate lines online

Remove duplicate lines from text, code, CSV or logs in one click. Our free Duplicate Line Remover makes your files unique, clear and ready for further processing.

Data Cleansing in a Snap

When working with large data sets, mailing lists, or log files, duplicate entries are common. This "noise" can disrupt analyses and make processes inefficient. Manually finding and removing thousands of duplicate entries is an impossible task.

This tool automates this process. It reads your text, identifies all unique lines and presents a cleaned list. The case sensitivity option lets you determine exactly whether "Text" and "text" should be treated as identical or different, which is essential for accurate data processing.