Free User Agent Parser
解析User-Agent字符串以检测浏览器、操作系统和设备。
Frequently Asked Questions
Is the User-Agent解析器 free to use?
Yes, the User-Agent解析器 on Allio Tools is completely free with no sign-up or registration required. It works directly in your browser.
How does the User-Agent解析器 work?
解析User-Agent字符串以检测浏览器、操作系统和设备。 No data is sent to a server — everything runs locally in your browser for maximum privacy and speed.
Do I need to install anything to use the User-Agent解析器?
No installation needed. The User-Agent解析器 runs entirely in your web browser on any device — desktop, tablet, or mobile.
Is my data safe when using the User-Agent解析器?
Completely safe. The User-Agent解析器 processes everything locally in your browser. No input data, results, or usage information is ever transmitted to or stored on any server.
Does the User-Agent解析器 work offline?
After the page loads for the first time, the User-Agent解析器 works without an internet connection for all client-side processing. Tools that fetch live external data (such as DNS or WHOIS lookups) require an active connection.
How current is the data returned by the User-Agent解析器?
The User-Agent解析器 fetches live data in real time each time you run it. Results reflect the current state of the server or domain at the moment of the request.