User Agent Parser | 2lus

Parse a supplied user-agent string into browser, version, OS, and device category.

What it does

Parse supplied User-Agent text. Inspect browser information, screen size or a simulated viewport.

What this tool accepts

text, a URL, or values entered in the tool

What it produces

JSON

How to use it

1. Choose screen to inspect dimensions reported by the current environment.
2. Run and review screen/viewport values; simulation requires dimensions.

Example

Input:
Mozilla/5.0 (Windows NT 10.0; Win64; x64)

Options:
mode: user-agent

Output:
OS/browser fields that can be inferred from the string.

Tips and notes

• Not a full device emulator; websites may block iframes.

Privacy and processing

Processing runs locally in your browser until you explicitly choose to share a result.

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