User Agent Parser
Free online User Agent Parser. Simple, fast, and secure tool running in your browser.
What is the User Agent Parser?
The User Agent Parser is a web developer tool that breaks down raw User-Agent string headers into easily readable information. It extracts crucial data points such as the visitor's operating system, browser type, device type (mobile, tablet, desktop), and engine version. This tool is highly beneficial for debugging browser-specific issues, analyzing web traffic, and optimizing responsive designs.
How to Use the User Agent Parser
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1
Paste the User Agent String
Copy a raw User-Agent string from your server logs or browser headers and paste it into the parser box.
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2
Parse the Data
Click the parse button to instantly decode the cryptic string into structured, human-readable data points.
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3
Review Device Insights
Examine the categorized output to see exact browser versions, OS details, and device form factors for debugging.
Frequently Asked Questions
What is a User-Agent string?
It is a line of text that a web browser sends to a web server, identifying the browser, its version, and the underlying operating system of the visitor.
Can User-Agent strings be spoofed?
Yes, users and automated bots can easily modify their User-Agent strings to mimic other devices or browsers, which is common in web scraping and testing.