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Parse and analyze User-Agent strings to extract browser, operating system, device, and engine information
Execution
Fill in the form, run the tool, and review the result in one place.
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Tool usage guide
The User-Agent Parser is a specialized utility designed to decode complex User-Agent strings into structured, human-readable data, identifying the specific browser, operating system, device type, and rendering engine used by a client.
Background
A user reported a broken navigation menu on their mobile device, but the logs only provided a raw User-Agent string.
Problem
Identify the exact device and browser version to replicate the issue in a simulator.
How to use
Paste the string from the server log into the User-Agent Parser.
Outcome
The tool identified the device as an iPhone 15 running Safari on iOS 17, allowing the developer to test the fix on the correct environment.
Background
The server logs showed a spike in traffic from an unknown source that appeared to be bypassing standard security headers.
Problem
Determine if the traffic is coming from a legitimate browser or a malicious automated script.
How to use
Input the suspicious User-Agent string and enable 'Detailed Output'.
Outcome
The parser revealed the string lacked a valid rendering engine signature, confirming it was a custom script rather than a standard web browser.
It extracts the browser name and version, operating system, device type, and the underlying rendering engine.
Yes, it identifies common bot and crawler signatures within the User-Agent string.
Yes, the tool processes the string immediately to provide you with instant results.
Enabling this option provides a more comprehensive breakdown of the string, including specific version numbers and platform architecture.
No, the tool does not save or log the strings you input for analysis.