Remove Duplicate Lines
Deduplicate lines of text with flexible matching.
Input lines
Result
About the Remove Duplicate Lines
Remove duplicate lines from any list or text block, with options for case-insensitive matching, trimming whitespace, keeping the first or last occurrence, and sorting the final result.
Examples
Duplicate list
apple
banana
appleOutput
apple
bananaKeyboard shortcuts
- Copy the main outputCtrl / ⌘ + Shift + C
- Download the resultCtrl / ⌘ + S
- Share this toolCtrl / ⌘ + Shift + S
- Reset the inputsAlt + R
- Open the tool search paletteCtrl / ⌘ + K
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Frequently asked questions
Version 1.0.0 · Updated 2026-08-06 · Runs entirely in your browser