See your display and device specs instantly, right in your browser. It shows screen resolution, available space, aspect ratio, orientation, viewport and document size, zoom level, device pixel ratio, color depth, color gamut, estimated refresh rate, estimated PPI, and touch support. It also detects your device type and compares your screen to common resolutions. Everything updates live as you resize or rotate. You can copy or export the details and keep a local history. No signup.