Crow Tech

Free utility

CSS Media Query Builder

Build inert media-query source from bounded structured controls.

All free utilities

Processing stays on this device. Your input is not uploaded, sent to an external service, or saved by Crow Tech.

Workbench

Inputs stay on this page. Use the explicit action to validate and produce a result.

Builds one validated media query skeleton from bounded controls. No supplied CSS is parsed, executed, or previewed.