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Browser & Device Info

See what your browser reveals: user agent, engine, OS, screen, language, timezone, GPU, connection and a full feature-support matrix.

🔒 Runs in your browser — files never leave your deviceFree · No sign-up

User agent


  
Browser
Operating system
Engine
Device type

Screen & window

System & network

Feature support

FeatureSupportedFeatureSupported

Detected by asking the browser directly — nothing is sent anywhere, and nothing here identifies you personally.

How to use the browser info tool

  1. Open the page — everything is detected the moment it loads, with no button to press.
  2. Check the browser, engine and version at the top when a site tells you to "update your browser", and the screen and viewport figures when you are debugging a responsive layout.
  3. Scroll to the feature matrix to see whether this device supports WebP, AVIF, WebGPU, WebAssembly, service workers and the rest, then use Copy full report to paste it into a bug report.

FAQ

Is any of this sent to a server?

No. The page only asks your own browser for these values and prints them. There is no request, no logging and no fingerprint stored anywhere.

Why does the user agent say Mozilla and Safari on Chrome?

Historical compatibility. Every browser inherited tokens from earlier ones so that old server-side sniffing code would keep working, which is why a modern Chrome string still contains "Mozilla/5.0", "AppleWebKit" and "Safari". The parsed fields above show what it actually is.

Why is some information missing?

Browsers deliberately hide values that make fingerprinting easier. Safari and Firefox do not report device memory, Firefox hides the GPU renderer, and iOS does not expose the Battery API. "Not reported" means your browser is protecting that detail.