用户代理
查看浏览器报告的信息。
Tool controls, results and detailed help are currently in English.
Browser information
Your data. Your device. Clear results.
Updates when your viewport changes. No permission prompts.
Inspect another user-agent string
Technical details · colour-coded JSON
About
查看浏览器报告的信息。
A readable browser report
The overview combines the browser-reported user-agent with basic Client Hints where available. You can copy or download the technical report, or inspect another string locally.
Why a version or device may look wrong
Browsers can reduce or spoof these values for compatibility and privacy. Chromium-based browsers may share identifiers, and a tablet in desktop mode may look like a computer.
Try this
Resize this browser window and watch the viewport values update. The screen dimensions and viewport dimensions can differ; neither is a reliable device-model identifier.
Use the result as one part of your troubleshooting. Network information can change over time.
← Explore all tools