How to Use User-Agent Parser
This guide walks you through using User-Agent Parser effectively. Parse and analyze User-Agent strings to identify browsers, devices, and OS. All processing happens in your browser — your data never leaves your device.
How to Use User-Agent Parser
01Browser Detection
Identifies Chrome, Firefox, Safari, Edge, Opera, and mobile browsers.
02OS Detection
Detects Windows, macOS, Linux, Android, iOS, and other operating systems.
03Device Info
Identifies mobile, tablet, desktop, and bot/crawler user agents.
04Version Breakdown
Shows detailed version numbers for browser, engine, and OS.
05Analyzing visitor browser and device data from server access logs
Analyzing visitor browser and device data from server access logs
06Debugging browser-specific rendering issues in web development
Debugging browser-specific rendering issues in web development
07Identifying bot and crawler traffic from user-agent strings
Identifying bot and crawler traffic from user-agent strings
Frequently Asked Questions
Is User-Agent Parser free to use?
Yes, User-Agent Parser is completely free with no sign-up required, no usage limits, and no hidden fees.
Does User-Agent Parser upload my data?
No. All processing happens locally in your browser. Your data never leaves your computer.
Try the Tool
User-Agent Parser
Parse and analyze User-Agent strings to identify browsers, devices, and OS.
Related Guides
Best Practices for User-Agent Parser
Follow these best practices to get the most out of User-Agent Parser. Parse and analyze User-Agent strings to identify browsers, devices, and OS. These tips will help you work more efficiently and avoid common pitfalls.
Common Mistakes in User-Agent Parser
Learn about common mistakes when using User-Agent Parser and how to avoid them. Parse and analyze User-Agent strings to identify browsers, devices, and OS. Understanding these pitfalls will help you use the tool more effectively.