Browser & Privacy
Check what websites can learn about your browser, screen and device, and test hardware such as your keyboard and mouse. Information is read with standard web APIs and is not stored.
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All browser & privacy (15)
What Is My BrowserSee your browser, version, operating system, screen, languages, time zone, hardware hints and privacy signals in one report.User Agent CheckerSee your user agent string and parse any user agent into browser, engine, operating system and device type.Screen Resolution CheckerCheck your screen resolution, available area, approximate physical pixels, color depth and orientation.Viewport Size CheckerSee your browser viewport width and height live as you resize, plus visual viewport, scrollbar width and breakpoint.Device Pixel Ratio CheckerCheck your device pixel ratio (DPR) — 1×, 2× Retina, 3× — and what image resolution you should serve.Browser Language CheckerSee your browser's preferred languages in order, the locale used for formatting, and the likely Accept-Language header.Time Zone DetectorDetect your device's time zone (IANA name), UTC offset and daylight saving status with a live clock.Are Cookies Enabled? TestTest whether your browser accepts first-party cookies by setting and reading a temporary test cookie.Local Storage TestCheck whether localStorage, sessionStorage and IndexedDB work, and see storage quota and persistence status.Is JavaScript Enabled? TestInstantly check whether JavaScript is enabled and which modern features (WebAssembly, workers, ES modules) are supported.WebGL InformationCheck WebGL and WebGL 2 support, GPU renderer and vendor, max texture size and supported extensions.WebGPU Support CheckerCheck if your browser supports WebGPU and see adapter vendor, architecture, limits and features.Clipboard TestTest copy and paste: check the async Clipboard API, permissions and secure-context support in your browser.Keyboard TesterTest every key on your keyboard online. Keys light up when pressed; check key rollover and get key codes.Mouse Click TesterTest left, right, middle, back and forward mouse buttons, double clicks and scroll wheel — and detect double-click faults.