User Agent Finder Online Free
Find your browser user agent string instantly. Detect browser, operating system, device type, platform, language and rendering engine.
How to Find Your User Agent
View your browser and device information in three simple steps.
1. Open the tool
The page automatically reads your browser user agent.
2. Review details
Check your browser, operating system, platform and device type.
3. Copy result
Copy your user agent string or full browser report instantly.
Detect browser and device information instantly.
This User Agent Finder helps developers, testers and website owners identify browser, operating system, device type and user agent details for debugging, analytics and compatibility testing.
You can copy the complete user agent string or a full browser report with platform, engine, language, cookie status, screen size and online status.
What is a user agent?
A user agent is a text string sent by your browser when visiting websites. It can include browser, operating system, rendering engine, device and platform information.
Developers use user agent strings for debugging, compatibility checks, analytics, testing and understanding how a browser identifies itself.
When should you use it?
- Debugging browser compatibility issues
- Checking browser and OS information
- Testing device detection logic
- Sharing browser details with support teams
- Inspecting user agent strings for QA work
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User Agent Finder FAQ
Common questions about browser user agent strings.
What is a user agent?
A user agent is a text string sent by your browser that includes browser, operating system, device and engine information.
How do I find my user agent?
Open this tool and your user agent string will be detected automatically in your browser.
Why do developers use user agents?
Developers use user agents for debugging, browser compatibility testing, analytics and device detection.
Is this User Agent Finder free?
Yes. This online User Agent Finder is free to use.
Is my user agent private?
Websites can usually read your user agent string when you visit them. This tool displays it locally in your browser.
Can I copy the full user agent?
Yes. You can copy the full user agent string or copy a full browser report.
Does this tool detect my device type?
Yes. It estimates whether the browser is running on desktop, mobile or tablet based on the user agent.
Does it work on mobile?
Yes. You can find your mobile browser user agent on phones, tablets and desktop browsers.