Remove Duplicates In List

Remove duplicate word or lines from a list of strings.
REMOVE DUPLICATE:
Case Sensitive :
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Remove duplicate words in a list

This tool is designed to efficiently remove all duplicate words from a given list of words. It features an option to enable or disable case sensitivity. When case sensitivity is enabled, "Word" and "word" are considered different and both are retained. When case sensitivity is disabled, "Word" and "word" are treated as duplicates and only one instance is kept.

The tool scans through the list, identifies and eliminates any repetitions based on the selected case sensitivity option, and returns a list containing only unique words. This ensures that each word in the output list appears exactly once, according to the specified case sensitivity, making it useful for data cleaning, text processing, and list management tasks.

Remove duplicate lines of text

The tool is also capable of removing duplicate lines of text from a given list. It offers an option to enable or disable case sensitivity, allowing users to treat lines as identical or distinct based on case.

When provided with a list of lines, the tool scans through each line, identifies and eliminates duplicates according to the selected case sensitivity option, and returns a list containing only unique lines. This functionality is useful for data cleaning, document processing, and managing text data efficiently.

Author Information

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Rajesh V U

Full-Stack Developer & Storage Technologist | Creator of UnitSmash.com
Last updated: June 1, 2026

I am a Storage Technologist with strong experience in enterprise storage systems, Angular development, and web-based tools. I enjoy building practical calculators, converters, and utilities, and I also create original cartoons. I share my tools, articles, and creative work on my personal website, rajeshvu.com.