All tools

14 free utilities. Each runs in your browser with plain-English explanations.

Device Information

Detect available device information directly from your browser.

Your public IP address, detected live. No account, no tracking.

Which browser is this, and what can it do?

Your display size, viewport size and pixel density — live.

Your complete user-agent string, parsed into plain English.

What graphics hardware does this browser reveal?

Does this browser do WebGL — and how well?

A privacy-respecting demonstration. Nothing leaves your device.

What the Battery Status API reveals — if anything.

What the Network Information API can (and cannot) tell.

Is JavaScript running — and which features work?

Are cookies and site storage working here?

Can this browser do real-time calls — safely?

Phone, tablet or desktop — and how confident can we be?