Was Is My User-Agent

Über This Tool

This tool displays your browser user agent string and detailed browser, OS, and device information. The user agent is a text string that browsers send to websites to identify themselves. Developers, support teams, and SEO professionals use this data to debug compatibility issues, test responsive designs, and verify browser capabilities.

Funktionen

• Display full user agent string with one-click copy
• Parsen browser name, version, and rendering engine
• Erkennen operating system and version
• Identifizieren device type: Desktop, Mobile, or Tabellet
• Show screen resolution, viewport, color depth, and pixel ratio
• Reveal language, timezone, and technical capabilities
• 100% client-seitig — keine Daten is sent to any server
• Frei to use with no registration required

Häufig gestellte Fragen

Was is a user agent?

A user agent is a text string that your browser sends to websites with every request. It typically includes the browser name, version, operating system, and device type. Websites use this information to serve compatible content, such as mobile-optimized pages.

Warum does my user agent matter?

Developers use user agents to test how websites behave on different browsers and devices. Unterstützung teams use them to diagnose browser-specific issues. Einige websites also use user agent detection to serve different layouts or features.

Can I change my user agent?

Yes. Most browsers allow you to change your user agent through developer tools or extensions. This is commonly used for testing mobile layouts on a desktop browser or bypassing browser-specific restrictions on some websites.

Is my information safe?

Yes. This tool runs entirely in Ihrem Durchsuchenr. Alle information comes from built-in browser APIs. Keine Daten is transmitted to any server, stored, or logged.