Device tool

Safe Area Inset Tester

Visualize CSS safe-area insets, display cutouts, rounded corners, orientation changes, and fullscreen behavior on the current device.

Open safe-area test

Ready when you areUse the controls to choose a pattern, then inspect the full screen. Browser fullscreen always requires your direct action.

This tool runs locally in your browser. Device access is requested only when needed and can be revoked through browser controls.