IPA: /ˈrændəˌmaɪzər/
KK: /ˈrændəˌmaɪzər/
A device or tool that produces random results or selections.
The randomizer helped us choose a winner for the contest fairly.
Randomizer → It is formed from "random" (from Middle English *random*, meaning chance or by chance) and "-izer" (a suffix used to indicate a person or thing that performs a specified action). The word "randomizer" refers to a device or person that makes something random or by chance.
Think of something that creates outcomes by 'chance' ('random') and the '-izer' means it performs that action. A randomizer is something that makes things happen by chance.