User agent parser

User Agent Parser — Detect Browser, OS, and Device Type

Free User Agent (UA) string parser that extracts detailed browser, operating system, and device type information from any User Agent string. Essential for web analytics, security monitoring, and browser compatibility testing.

What User Agent Parsing Reveals

• Browser name and version (Chrome, Firefox, Safari, Edge)
• Operating system (Windows, macOS, Linux, iOS, Android)
• Device type (Desktop, Mobile, Tablet)
• Bot and crawler detection (Googlebot, Bingbot)
• Rendering engine (Blink, Gecko, WebKit)

Practical Use Cases

• Analyzing server access logs for browser statistics
• A/B testing device-specific features
• Detecting mobile users for responsive design
• Security: identifying automated bots and scrapers
• Customer support: understanding visitor environments

Web analysts, security teams, and developers use User Agent parsing for visitor analytics, fraud detection, and ensuring cross-browser compatibility across their platforms.