Tools/User-Agent Parser
Networking & Web

User-Agent Parser

Paste a raw User-Agent header to identify the browser, OS, device type, and rendering engine behind it.

Free & unlimitedRuns in your browserNo sign-up required
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How it works

Three steps, no setup

1

Paste a user agent string

Copy it from browser dev tools, server logs, or an analytics export.

2

Get a parsed breakdown

Browser name and version, OS, device type, and engine are identified.

3

Use it for debugging

Handy for tracing browser-specific bug reports back to a real environment.

Common questions

Frequently asked questions

Are user agent strings always accurate?
Not necessarily — browsers can be configured to spoof their user agent, so treat parsed results as a strong signal rather than absolute proof.
Does it detect bots and crawlers?
Common bot and crawler signatures are recognized and flagged separately from regular browser traffic.
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