UA

Network Tools

User Agent Parser Online - Browser, OS, Device and Bot Checker

Parse browser or crawler user-agent strings to detect browser, version, engine, OS, device type, mobile hints, bot hints, Chrome or Safari tokens, and copy a report.

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What this tool is for

Paste a user-agent string from logs, analytics, QA reports, support tickets, API headers, or crawler tests. Use the parsed report for debugging only; user agents can be incomplete or spoofed.

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User Agent Parser is part of a wider browser toolbox. These links help users and crawlers move from this page into nearby daily tasks.

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Frequently asked questions

Is User Agent Parser free?

Yes. ToolNest provides User Agent Parser as a free browser-based utility.

Does User Agent Parser require an account?

No account is required. Open the tool and use it directly in your browser.

What can User Agent Parser detect from a user-agent string?

It parses common user-agent tokens to identify browser family, browser version, rendering engine, operating system, device type, mobile hints, bot hints, and common Chrome or Safari version tokens.

Can User Agent Parser check crawler or bot user agents?

Yes. Paste a crawler UA from server logs, analytics, robots testing, or API headers and the report highlights common bot hints. It is useful for debugging logs, but it is not a security-grade bot verification system.

Can User Agent Parser uniquely identify a visitor?

No. A user-agent string is a browser-provided header that can be incomplete, spoofed, or shared by many devices. Use the result as a debugging hint, not as identity verification.

How do I use User Agent Parser?

Open the User Agent Parser page, enter or paste your values, use the visible controls, and copy the result from the first working area. It is grouped with Network Tools for quick browsing.

Can I copy results from User Agent Parser?

Yes. ToolNest tools are designed around copy-ready output, so you can reuse the result in documents, spreadsheets, code editors, forms, or messages without creating an account.