User-Agent Parser
Parse and analyze any User-Agent string to identify browser, OS, and device online for free.
Quick Examples
このツールについて
Parse any User-Agent string to identify the browser, browser version, operating system, device type, and rendering engine. Useful for debugging, analytics, and compatibility testing.
使い方
Enter User-Agent
Your current UA is loaded automatically, or paste any UA string.
Parse
Browser, OS, device, and engine are identified instantly.
Test Other UAs
Select from common examples or paste a custom UA string.
活用シーン
Debugging
Identify what browser and OS is being reported for debugging compatibility issues.
よくある質問
Is my User-Agent sent to your servers?
No. Parsing happens entirely in your browser using JavaScript.