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Formatierer & Code

User-Agent Parser

Browser, OS, device and engine from any UA string.

Runs in your browser

Anmerkung der Redaktion

Understanding · A string that lies to you, on purpose.

Dieses ausführliche Kapitel ist derzeit nur auf Englisch verfügbar. Das Konvertierungstool oben funktioniert in Ihrer Sprache; der lange Erklärtext wurde noch nicht übersetzt.

Häufig gestellte Fragen

Quick answers.

What information is in a user agent?

It typically identifies the browser name and version, the host operating system, and the layout engine like `Blink` or `WebKit`. Mobile strings also include specific device models.

Is the parsing done on a server?

No. The logic runs in your browser using local JavaScript, meaning your identifier is never logged or stored on our infrastructure.

Why do many strings look like 'Mozilla/5.0'?

This is a legacy convention from the early web. Most modern browsers include it for backward compatibility with older servers that search for that specific prefix.

Can I check my own user agent?

Yes. Upon loading, the tool automatically detects and parses the string your current browser is broadcasting to websites.

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