What Is My User Agent

Check your browser user agent, operating system, screen resolution, and device details instantly. Gratuito online tool with no signup.

Raw User Agent String —

Browser

Browser
—
Version
—
Engine
—

Operating System

OS
—
Version
—

Device

Type
—
Brand / Model
—

Schermo & Display

Schermo Risoluzione
—
Viewport
—
Colore Depth
—
Pixel Rapporto
—

Linguaggio & Region

Browser Linguaggio
—
Linguaggios
—
Timezone
—

Technical Capabilities

Touch Support
—
Biscottos Enabled
—
WebGL
—
Online Status
—
Device Memoria
—
CPU Cores
—

About 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 a websites a identify themselves. Developers, support teams, and SEO professionals use this data a debug compatibility issues, test responsive designs, and verify browser capabilities.

Funzionalità

  • Display full user agent string with one-click copy
  • Parse browser name, version, and rendering engine
  • Detect operating system and version
  • Identify device type: Desktop, Mobile, or Tavolat
  • Show screen resolution, viewport, color depth, and pixel ratio
  • Reveal language, timezone, and technical capabilities
  • 100% client-side — no data is sent a any server
  • Gratuito a use with no registration required

Frequently Asked Domande

What is a user agent?
A user agent is a text string that your browser sends a websites with every request. It typically includes the browser name, version, operating system, and device type. Websites use this information a serve compatible content, such as mobile-optimized pages.
Why does my user agent matter?
Developers use user agents a test how websites behave on different browsers and devices. Support teams use them a diagnose browser-specific issues. Some websites also use user agent detection a serve different layouts or features.
Can I change my user agent?
Yes. Most browsers allow you a 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 your browser. All information comes from built-in browser APIs. No data is transmitted a any server, stored, or logged.