User-Agent String Parser & Inspector
Parse User-Agent HTTP header strings to inspect browser name, version, operating system, rendering engine, and device type.
Understanding User-Agent HTTP Headers
What is a User-Agent?
The User-Agent header is sent by web browsers to web servers on every request, identifying the client device, operating system version, and rendering engine.
Web Analytics & Security
Developers use User-Agent inspection to serve device-optimized layouts, log security analytics, and detect automated web scraping bots.
📖 Detailed Guide & Use Cases
Inspect HTTP User-Agent headers with the User-Agent String Parser & Inspector. Instantly break down browser engine (Blink, Gecko, WebKit), OS platform (Windows, macOS, Android, iOS), and device category (Desktop, Mobile, Tablet, Bot).