User-Agent Parser (Advanced)

Advanced User-Agent analysis.

Input User-Agent String:

Parsed Output:

About User-Agent Parser (Advanced)

Browser User-Agent string inspector and header analyzer extracting browser engine, rendering client, operating system, and hardware architecture details.

Key features

Instant detection of your active browser User-Agent string upon loading.
Client-side classification of browser family (Chrome, Firefox, Safari, Edge, Opera, IE).
Operating system and platform detection (Windows, macOS, Linux, Android, iOS).
Hardware form-factor categorization (Desktop, Mobile, Tablet, Bot/Crawler).

How to use

View or Paste User-Agent: Use the automatically detected active browser string or paste an external User-Agent header.
Inspect Detected Architecture: Review the parsed details including browser family, operating system, and platform.
Copy Diagnostic Data: Click "Copy" to export the parsed diagnostic summary for technical support or bug reports.

FAQ

What is an HTTP User-Agent string?

A request header sent by web browsers to inform web servers about the application, operating system, vendor, and software version.

Why do most modern browsers include 'Mozilla/5.0' in their User-Agent?

For historical compatibility, modern browsers retain Mozilla/5.0 to ensure legacy web servers do not downgrade or block their content.

What is User-Agent Client Hints (UA-CH)?

A modern, privacy-preserving standard replacing verbose User-Agent strings with selective HTTP request headers like Sec-CH-UA.

Can User-Agent strings be spoofed by clients or web scrapers?

Yes, User-Agent headers can be altered in browser developer tools or HTTP libraries, so server security should not rely on them alone.

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