Your browser tells a story

27 checks compare your browser, hardware, locale, and network to reveal where the setup contradicts itself.

Results stay in this browser. Network and WebRTC checks contact external services.

Running several browsers? Compare them for shared identifiers

Identity

User-Agent, Client Hints, worker, and iframe

Device & rendering

Screen, hardware, Canvas, WebGL, audio, and fonts

Locale & time

Timezone, languages, and Intl formats

Network

IP, HTTP headers, TLS/HTTP2, WebRTC, IPv4/IPv6 and DNS

Automation

WebDriver, headless signals and extensions

Storage

Cookies, browser storage, and quotas