Parse any user agent string and detect browser, operating system, device type, rendering engine, platform, bot status, and technical client details.
Useful for developers, analytics checks, browser testing, bot detection, logs, and website debugging.
Paste a user agent string or use your current browser user agent to get a clean parsed report.
A user agent parser helps decode technical browser strings into readable browser, OS, device, and bot information.
Identify Chrome, Firefox, Safari, Edge, Opera, Samsung Internet, and other common browsers.
Find whether the user agent looks like desktop, mobile, tablet, or bot/crawler traffic.
Detect common crawlers such as Googlebot, Bingbot, social crawlers, SEO bots, and generic bots.
A user agent is a text string sent by a browser, crawler, app, or HTTP client when it visits a website. It usually contains browser name, version, operating system, device hints, platform, and rendering engine information.
Developers and website owners use user agent parsing for debugging, analytics, compatibility testing, crawler review, security logs, and device-based troubleshooting.
| Parsed Field | Meaning | Use |
|---|---|---|
| Browser | Client browser or app | Compatibility checks |
| Operating System | Windows, macOS, Android, iOS, Linux | Platform debugging |
| Device Type | Desktop, mobile, tablet, or bot | Responsive testing |
| Engine | Rendering engine such as WebKit or Gecko | Browser behavior checks |
| Bot Status | Whether the string looks like crawler traffic | SEO and log analysis |
Parse a user agent string in three simple steps.
Add a browser, app, crawler, or server log user agent string into the input box.
The tool checks common user agent patterns for browser, OS, device, engine, and bot signals.
Review clean details, copy the parsed report, or download it as a text file.
Common questions about user agents, browsers, bots, and parsing accuracy.