What Is My IP Address, and Why Does It Matter?
Every device on the internet has an IP address — a numeric label that routes traffic to and from you. Here is what your IP reveals, what it does not, and when you should actually care about it.
Inspect comprehensive details about your web browser, operating system, screen/viewport resolution, device type, language, timezone, cookies, and network connection.
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Resize your browser window to see the viewport size adjust in real-time. This helps developers test fluid layouts across standard responsive breakpoints (Mobile: 320px-480px, Tablet: 768px-1024px, Desktop: 1024px+).
The User Agent (UA) is a text string sent by your browser to web servers. It acts as an identifier containing your browser brand, layout engine, and client operating system details. For example, Chrome's user agent contains references to "Safari", "WebKit", and "Mozilla" for historical compatibility reasons, allowing it to load standard web content correctly.
Modern browsers use rendering engines to interpret HTML, CSS, and JS:
Screen Resolution is the hardware pixel density of your monitor (e.g. 1920x1080). The Viewport is the actual canvas area of the browser page displaying the website content, which excludes the address bar, bookmark bars, borders, and sidebar panels. In responsive web design, websites are styled to adapt to the Viewport dimensions rather than the hardware screen size.
Browsers provide different client-side data storage options:
A User Agent is a text header sent by your browser to websites, telling them details about your browser name, version, rendering engine, and operating system. Web servers use this string to optimize layouts and assets for specific browsers.
Screen Resolution is the total physical pixel dimensions of your monitor or screen. Viewport Size represents the actual visible area of the web page inside your browser window, excluding toolbars, scrollbars, and bookmarks panels. Viewport size changes when you resize the browser window.
No. All diagnostic data is extracted directly from the window, navigator, and screen JavaScript objects in your web browser. No details are transmitted or saved remotely, maintaining complete data confidentiality.
Many modern web applications depend on cookies for authentication and JavaScript for interactivity. Knowing if these configurations are blocked by safety extensions or privacy settings helps developers debug application failures.
You can click the "Copy Specifications" button to copy a structured text table of your configuration to your clipboard, or download it as a JSON file, which can be pasted directly into bug reports, emails, or support chat channels.
Read our in-depth articles and guides related to this tool to help you make smarter decisions.
Every device on the internet has an IP address — a numeric label that routes traffic to and from you. Here is what your IP reveals, what it does not, and when you should actually care about it.
Your browser sends far more information to every website you visit than most people realize — from your operating system to your screen size. Here is what a User-Agent string exposes and why it matters for privacy.
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