🌐 Browser & Screen Info Detector — User Agent, Viewport
Browser info detector: User Agent, screen size, viewport, OS, timezone, language, color depth, network status. Useful for developers and customer support.
📚 About This Tool
Browser and screen info is used by sites for: responsive layouts, compatibility testing, troubleshooting, analytics. This tool shows everything your browser reveals — useful for developers testing CSS, and for support agents collecting device info when reporting bugs.
❓ FAQ
What do sites really know about me?
Everything you see here is available to every site you visit. There's no way to hide User Agent without extensions.
What is DPR (Device Pixel Ratio)?
Ratio of physical to logical pixels. Retina displays are 2x, iPhone Pro 3x.
Why is navigator.platform "deprecated"?
Recent Chrome hides it for privacy. Use navigator.userAgentData instead.
Is this data personal?
It doesn't identify you directly, but combined with IP and cookies it can fingerprint.