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Browser Info

Viewport, screen size, device pixel ratio, browser & OS detection.

Display

Viewport: × px
Screen: × px
Available screen: × px
DPR Device pixel ratio The number of physical pixels per CSS pixel. 1 on a non-Retina monitor, 2 on most Retina displays, often 2.5–3 on phones. Browser zoom changes this too.
Color depth: -bit
Orientation
Color scheme
Reduced motion

Browser

Browser
Engine
Languages
Cookies
Online

System

OS
Touch points
Logical cores
Device memory navigator.deviceMemory is buckets of approximate RAM (0.25 / 0.5 / 1 / 2 / 4 / 8 GB) — capped at 8 for fingerprinting reasons. Firefox & Safari don't expose it.
Connection The Network Information API. Only Chromium browsers expose it; Firefox & Safari report nothing.

Locale

Timezone
UTC offset

User agent

How to use the Browser Info

Open this page on the device you want to inspect.
Resize the window to watch the viewport update live.

Frequently asked questions

What's the difference between viewport and screen size?: Viewport is the visible area of the page. Screen size is the full physical display, including space outside the browser window.