CRX id
glhbejcocjkfkhaaclmiocbalpcklbdo
glhbejcocjkfkhaaclmiocbalpcklbdo
Description from extension meta
A tool designed to help users identify any screen defects
Image from store
Description from store
This screen testing tool operates in full-screen mode and uses five background colours—red, green, blue, black, and white—to help users check for any screen defects, such as dead pixels, bright pixels, or backlight bleed.