A power user is an end user expert in a specific computing domain. He or she typically has a more advanced grasp of using and/or operating standard computers or software than regular users. For example, a power user of a word processing application may sift through different application components quickly by using keyboard shortcut keys, rather than using a mouse to scroll through menus.

Power users are popularly known for owning and using high-end computers with sophisticated applications and service suites. For example, software developers, graphic designers, animators and audio mixers require advanced computer hardware and software applications for routine processes.