User Agent Parser (Free)
This free user agent parser runs entirely in your browser — no signup and no file uploads. Parse user-agent strings to identify browser, OS, and device hints for debugging and analytics.
This tool runs in your browser. Your inputs are processed on your device and are not uploaded to ToolsForgeLabs servers for this calculation. Privacy Policy
Input
Output
Paste a User-Agent string
How to use this free tool
- Paste a user-agent string.
- Parse it.
- Review browser/OS fields.
- Use insights for debugging.
Examples
Chrome desktop snippet
Input: Mozilla/5.0 ... Chrome/120 ...
Output: Chrome on desktop OS hints
Related searches
People looking for a user agent parser often also search for ua parser, parse user agent, browser detection, useragent string, browser detect, and useragent. This page covers that search cluster without duplicate URLs.
FAQ
Is UA parsing 100% accurate?
It is heuristic—spoofing and new agents can reduce accuracy.
Can I paste mobile agents?
Yes—desktop and mobile user-agent strings are supported.
Does it replace Client Hints?
No—use modern Client Hints when available; this helps with legacy UAs.
How do I use a free user agent parser?
This free user agent parser runs entirely in your browser — no signup and no file uploads. Use the free tool above for instant results — no signup, browser-based, and private.
What is a user agent parser?
This free user agent parser runs entirely in your browser — no signup and no file uploads. Use the free tool above for instant results — no signup, browser-based, and private.
Is there a free online tool for user agent parser?
This free user agent parser runs entirely in your browser — no signup and no file uploads. Use the free tool above for instant results — no signup, browser-based, and private.
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