Device / Browser Info

Inspect /device

Inspect practical client-side environment details such as viewport, platform, language, storage support, and theme preference.

Transfer
Local only
Limit
No user input
Environment snapshot
Loading current browser information.
As JSON
Output appears here.
Collecting… local only

How it works

Inspect the current browser environment, including viewport, platform, storage support, and theme preference.

Use it to inspect the capabilities and viewport values this browser exposes.

Example

Check viewport dimensions, color scheme, online status, and storage API support.

Notes

  • All values are collected locally from browser APIs.
  • Useful for quick support checks and responsive debugging.
  • This page is informational only and does not send the data anywhere.

Constraints

  • Reports only browser-exposed capabilities and cannot identify physical hardware.
  • Limit: No user input. Nothing is uploaded or silently truncated.

Common errors

  • Privacy-reduced values
  • Unsupported APIs
  • Values changing after resize

When to use it

Use it to inspect the capabilities and viewport values this browser exposes.

Formats: Browser APIs, Viewport and screen values, Capability flags.

Reference

W3C Device and Sensors specifications

Substantively reviewed .