CalculateItToday

User Agent Parser

Parse browser user agent strings to extract browser, operating system, device information, and other detailed technical specifications.

User Agent Parser Tool

Common User Agents

About User Agent Strings

What is a User Agent?

Browser Identification: A user agent string identifies the browser and version making the request
Operating System: Contains information about the underlying OS and version
Device Information: Indicates whether it's a desktop, mobile, or tablet device
Additional Details: May include language preferences, rendering engine, and more

Common Use Cases

Responsive Design: Serve different layouts based on device type
Feature Detection: Determine browser capabilities and features
Analytics: Track user demographics and device usage
Security: Identify potential threats or suspicious requests

User Agent Components

Browser

Chrome, Firefox, Safari, Edge, etc.

Version

Browser version number

Operating System

Windows, macOS, Linux, iOS, Android

Device Type

Desktop, Mobile, Tablet, Bot