Count duplicate lines in a list.

Just 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.

If you start with ...
gamma rays

You'll end up with ...
3 beta
2 alpha
1 gamma rays

... modified by whatever options you select below.

Paste lines in the field below. Press Submit.

Ignore capitalization (results lower case) | Keep blanks at start of lines
Disclaimer: You use CountDuplicates entirely at your own risk.
Also, try

If you copy and paste the columns into a spreadsheet, Count and Item will be in adjacent columns for easy sorting.