User Agent Parser
Parse user agent strings instantly. Extract browser, operating system, and device information from any UA string.
Browser Detection
Identify browser and version
Device Detection
Detect mobile and desktop devices
Private & Secure
All processing in your browser
Browser Information
Operating System
Device Information
Parsed Data (JSON)
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How to Parse User Agent Strings
Our user agent parser extracts detailed information from user agent strings including browser, operating system, and device details.
- Enter User Agent - Paste a user agent string or click "Detect Mine" to use your current browser's user agent
- Parse String - Click the Parse User Agent button to analyze the string
- View Results - Review extracted information including browser, OS, device type, and other details
- Export Data - Copy the parsed data in JSON format for use in other applications
Use Cases
Web Analytics
Analyze user agent strings from server logs and analytics tools to understand what browsers and devices your visitors are using.
Browser Compatibility
Debug browser compatibility issues by identifying specific browsers and versions that users are experiencing problems with.
Mobile Detection
Detect mobile devices and tablets from user agent strings to provide optimized experiences or track mobile usage patterns.
Security Analysis
Analyze suspicious user agent strings in security logs to identify potential threats or unusual browser configurations.
API Development
Parse user agent strings in API requests to provide version-specific responses or track API usage by browser type.
Testing & QA
Test how your application handles different user agent strings and verify browser detection logic in your code.
Parse User Agent Strings Instantly
Our free user agent parser tool extracts detailed information from user agent strings instantly. Whether you're analyzing web traffic, debugging browser compatibility issues, or developing API features, this tool provides comprehensive insights into browser, operating system, and device information. All processing happens in your browser for complete privacy and security.
Extract Browser Information
The parser identifies browser names, versions, and rendering engines from user agent strings. Detect major browsers including Chrome, Firefox, Safari, Edge, Opera, and mobile browsers. View engine information like WebKit, Blink, or Gecko to understand rendering capabilities and compatibility.
Detect Operating Systems
Identify operating systems and their versions from user agent strings. The parser detects Windows, macOS, Linux, iOS, Android, and other mobile operating systems. This information is crucial for understanding your user base and ensuring cross-platform compatibility.
Identify Device Types
Distinguish between desktop computers, mobile phones, and tablets from user agent strings. The parser identifies device manufacturers, models, and capabilities. Know if a device is touch-enabled or has specific features that affect your application's functionality.
- Detect mobile devices and tablets accurately
- Identify device manufacturers and models
- Determine touch capability and screen types
- Recognize desktop vs mobile browser patterns
Privacy and Security
All user agent parsing happens entirely in your browser. Your data is never sent to any server or stored anywhere. This makes the tool ideal for analyzing sensitive user agent strings from security logs or confidential analytics data.
JSON Export Format
The parsed data is available in JSON format for easy integration with other tools and applications. Copy the structured output to use in analytics dashboards, API responses, or development workflows. The consistent JSON structure makes it easy to process programmatically.
Frequently Asked Questions
What is a user agent string?
A user agent string is a text identifier sent by web browsers and applications to identify themselves to web servers. It contains information about the browser, operating system, and device being used.
How does the user agent parser work?
The parser analyzes user agent strings and extracts detailed information including browser name and version, operating system, device type, rendering engine, and other technical details. All parsing happens in your browser for privacy.
Can I detect mobile devices?
Yes, the parser identifies mobile devices, tablets, and desktop computers. It detects device manufacturers, models, and whether the device is touch-enabled or has specific capabilities.
Is my user agent string stored?
No, all parsing happens entirely in your browser. Your user agent string is never sent to any server or stored anywhere. Your privacy is completely protected.
What browsers are detected?
The parser detects all major browsers including Chrome, Firefox, Safari, Edge, Opera, and mobile browsers. It also identifies browser versions and rendering engines like WebKit, Blink, and Gecko.
Can I use this for analytics?
Yes, this tool is useful for understanding user agent strings in web analytics, server logs, or for debugging browser compatibility issues. It helps identify what browsers and devices your users are using.