What Is My User-Agent?
Instantly detect your browser signature, operating system, hardware parameters, and network traits.
Your Detected User-Agent String
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Environmental Traits
- Language Setting: -
- Cookies Enabled:
- Online Status: -
- Hardware Concurrency (CPU Cores): -
- Device Memory Estimate: -
Complete Fingerprint JSON
About User-Agent Detection
Learn how browser signatures, hardware traits, and system parameters are detected automatically.
A user-agent detector reads HTTP headers and browser runtime objects that your web browser shares with every website you visit. It exposes critical parameters such as your browser version, operating system release, hardware specifications, and screen metrics instantly.
Instant Extraction
Automatically reads and organizes your browser fingerprint the second you load the tool.
Comprehensive Metrics
Exposes screen resolutions, touch support, color schemes, and hardware memory profiles.
On-Demand Refresh
Quickly re-run detection checks anytime to verify updated environment settings.
100% Secure & Private
All evaluations run completely inside your browser window. No data ever leaves your device.
One-Click Copy & Download
Quickly copy your raw user-agent string or structured fingerprint JSON to your clipboard.
Developer Friendly
Ideal for testing web applications, checking responsive behaviors, and debugging tracking scripts.