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See real-time browser and screen data for your current device.
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Open this page from the device you want to inspect.
Review screen and browser sections for resolution, pixel ratio, user agent, and OS data.
Copy the user agent string when needed for support tickets or compatibility checks.
Debugging responsive layout differences between devices
Collecting browser details for bug reports
Validating mobile vs desktop environment assumptions
Checking user-agent values during integration testing
Device and browser metadata can explain why a page behaves differently across environments. This tool surfaces high-value diagnostics in one place to speed up troubleshooting.
Data is read from browser APIs on your current device. It is intended for technical checks, not user tracking.
Capture this output alongside screenshots when reporting frontend bugs to reduce back-and-forth during triage.
Pair this output with CSS breakpoints to verify whether layout issues come from viewport width, pixel density, browser rendering differences, or device orientation.
When a user reports a bug, asking for user agent, OS, and viewport values can significantly reduce reproduction time. This page centralizes those values in one screen.