English

Remove Duplicate Lines

ORIGINAL LIST

OPTIONS

Capitals

Show capitals in results

Removed Duplicate Items

UNIQUE LINES

What is Duplicate Line Removal

Duplicate line removal is a text processing technique that identifies and eliminates repeated lines from text content. It compares lines based on various criteria including case sensitivity, leading/trailing whitespace, and custom separators. This process helps clean up data, remove redundant information, and create unique lists from text content with duplicated entries.

What is Online Duplicate Line Remover

An online duplicate line remover is a web-based tool that automatically identifies and removes repeated lines from your text without downloading software. It provides advanced options for comparison criteria, result formatting, sorting, and displays removed duplicates for reference. The tool supports custom separators and various case handling modes for flexible duplicate detection.

How to Remove Duplicate Lines

Paste your text content into the input area, configure the word split separator (default is newline), choose case sensitivity and display options, select additional processing like sorting or empty line removal, and the tool will automatically identify and remove duplicate lines. You can view the removed duplicates in a separate display area if the option is enabled.