User Agent Parser
Parse browser user agent strings instantly to identify browser, operating system, device, and engine details.
User Agent Parser
This calculator auto-updates when values change.
Browser
Chrome
Operating system
Windows
Device type
Desktop
Engine
WebKit/Blink
About This User Agent Parser
This user agent parser extracts practical browser, OS, device, and rendering engine details from a user agent string.
It is helpful when debugging browser reports, support tickets, analytics samples, and test environments.
How to Use This Tool
- 1
Paste a user agent
Enter a browser user agent string or load the current browser value.
- 2
Parse the string
The tool applies common browser and OS detection rules.
- 3
Review the details
Check browser, engine, operating system, device type, and architecture clues.
Frequently Asked Questions
Is user agent parsing always accurate?v
No. User agents can be reduced, frozen, spoofed, or intentionally compatible with other browsers.
Does this detect bots?v
It can identify some obvious crawler strings, but it is not a complete bot detection system.
Does it send the string anywhere?v
No. Parsing runs locally in the browser.