User-Agent Parser

What is an User-Agent Parser?

Parse any HTTP User-Agent string to detect the Browser name/version, Rendering Engine (Blink, Gecko, WebKit), Operating System (Windows, macOS, iOS, Android), CPU architecture, and Device category (Desktop, Mobile, Tablet).

Why Use This Tool?

  • Analytics & Web Debugging: Inspect User-Agent strings from server access logs to identify client devices.
  • Feature Detection Testing: Test server-side user-agent routing logic for mobile vs desktop visitors.
  • Support Troubleshooting: Identify exact browser versions causing user reported bugs.

How to Use

  1. Paste any User-Agent string or analyze your current browser automatically.
  2. View parsed details (Browser, OS, Engine, Device Type).
  3. Copy structured JSON or text summary.

Real Working Example

Input:

Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Output Result:

Browser: Chrome 124.0 | OS: Windows 10 (64-bit) | Engine: Blink | Device: Desktop

Important Technical Details & Features

  • UAParser Engine: Uses comprehensive User-Agent regex parsing database.
  • Detects Mobile vs Tablet vs Desktop: Accurately categorizes client device types.
  • 100% Local Execution: Zero network tracking.

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Frequently Asked Questions

What is a User-Agent string?

A User-Agent is a text string sent by web browsers identifying the browser, OS, and device to web servers.

Can it parse User-Agents from mobile phones?

Yes, it detects iOS Safari, Android Chrome, and mobile app webviews.

Is my User-Agent data logged?

No, detection runs 100% locally in your browser memory.

Is it free?

Yes, 100% free.

What is the main function of User-Agent Parser?

Parse user agent strings online. Identify browser engine, operating system, rendering engine, CPU architecture, and device model with DevDeskApp. This tool processes user-agent data 100% locally inside your web browser.

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