Text Deduplicator
Deduplicate text lines while preserving order, with trim and case-sensitive options.
Remove duplicate lines in seconds
Clean pasted lists, log files, or keyword dumps by keeping the first occurrence of each line. Toggle case sensitivity, trimming, and empty-line removal to match how your data is formatted.
Related tools
Compare two lists with the List Difference Calculator or use Remove Duplicate Lines for similar cleanup with extra ordering options.
Frequently Asked Questions
Does order change?
Unique lines stay in their original order. Only repeated lines after the first match are removed.
What does case sensitive matching do?
Apple and apple count as different lines when the option is enabled.
Are blank lines kept?
Turn off "Remove empty lines" if you need to preserve spacing in the output.
Is there a line limit?
Very large inputs may slow the browser, but typical lists and exports process instantly on modern devices.
Related Tools
Power to Weight Ratio Calculator
Resonant Frequency LC Calculator
Convert Bmp To Gif
PSI to ATM Converter
Rain to Snow Calculator
Shoe Size Converter
Ruby Hash to JSON
Steak Cook Time Calculator
PDF Page Organizer
Triangle Sum Theorem Calculator
Ratio Simplifier
BC to AD
Wyoming Paycheck Calculator
Flooring Calculator
Molar Mass Calculator
Date Time Calculator
Keyword Extractor
Helium Balloons Calculator
Compression Ratio to PSI Calculator
Hex to UTF8 Converter