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Find clear answers to common questions about User Agent Parser, including usage, output, and common issues.
Use this user agent parser to identify browser, version, rendering engine, operating system, device type, and basic bot signals from a raw user agent string. It is useful for debugging analytics, logs, request headers, and tracking data.
User Agent Parser is built for development, debugging, formatting, and quick technical checks directly in the browser.
It detects common browsers, browser versions, operating systems, device types, rendering engines, and basic bot indicators.
It is a practical parser for common real-world user agent strings, but unusual or custom strings may be only partially identified.
It is useful for checking analytics data, debugging headers, and understanding device or browser information in logs.
Yes. It works online in the browser.
Use the user agent parser when you want to analyze the contents of one user agent string. Use the header parser when you want the whole header block structured.
User Agent Parser is built for development, debugging, formatting, and quick technical checks directly in the browser.
Start by checking the input format, removing accidental spaces or unsupported characters, and comparing your input against the example pattern on the page.
Fix: Paste the full raw user agent string before parsing.
Fix: Treat the output as approximate when the source string is nonstandard.
Fix: Remember that a user agent string describes client software and device context, not network identity.
If you want to see realistic input and output patterns, open the examples page. If you want step-by-step usage guidance, open the guide page.
Open the main User Agent Parser page to test your own input and generate a live result.