DeDupeList.com

Remove duplicate lines from a list.

Paste lines into the field, select any options below, and press Submit. Results appear at the bottom of the page. Note: Processing an extremely large list can slow your computer. See details here.

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If you start with ...
gamma rays
alpha
beta
beta
alpha

You'll end up with ...
gamma rays
alpha
beta

... modified by whatever options you select below.

Paste lines in the field below. Press Submit.

Ignore capitals (results lower case)
Keep blanks at line starts
Sort results

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