All browser tests
18 tests, grouped by what they look at. Each one runs in your browser and explains what its result can and cannot tell you.
Identity & network
What Is My Browser?
Browser name, version, engine and user-agent string.
Identity & networkWhat Is My IP Address?
The public address this site sees, and its type.
Identity & networkUser-Agent Client Hints
Brands, platform version, architecture and model.
Identity & networkTimezone & Locale
Time zone, offset, languages and date formats.
Privacy & fingerprinting
WebRTC Leak Test
ICE candidates compared with your public IP.
Privacy & fingerprintingCookies & Storage Test
Cookie, Web Storage, IndexedDB and quota checks.
Privacy & fingerprintingCanvas Fingerprint Test
A repeatable ID for one canvas drawing.
Privacy & fingerprintingAudio Fingerprint Test
A repeatable ID for one Web Audio render.
Privacy & fingerprintingFont Detection
Which of 40 font names a page can detect.
Privacy & fingerprintingDo Not Track & GPC Test
Do Not Track and Global Privacy Control signals.
Hardware & display
Screen Resolution Test
Screen, viewport, pixel ratio and color support.
Hardware & displayWebGL & WebGPU Info
GPU renderer, WebGL limits and WebGPU adapter.
Hardware & displayHardware Information
CPU cores, rounded memory, GPU and battery.
Hardware & displayMedia Devices Detection
Cameras, microphones and speakers a page can see.
Hardware & displayConnection Information
Network estimates and page-load timing.