What is this tool?
Filter duplicate lines from text lists and data sets with configurable case sensitivity, whitespace trimming, and alphabetical sorting.
When to use it?
Deduplicate email subscriber lists, clean keyword indexes for SEO, remove duplicate database IDs, or sort raw data rows.
How does it work?
Splits text by newline delimiters, filters unique elements using a JavaScript Set data structure, and reconstructs the cleaned list.
Example Conversions
Sample Input:
alpha\nbeta\nalpha\ngamma
Sample Output:
alpha\nbeta\ngamma (1 duplicate removed)
Frequently Asked Questions
When enabled, leading and trailing spaces are stripped before comparing lines for uniqueness, preventing lines with trailing whitespace from being treated as unique.