What es my user agent?
Find your browser user agent string y see what it says about your browser, rendering engine, operating system y device. You can also paste any other user agent a decode it.
Leave it vacía a see your own browser’s user agent.
Acerca de What es my user agent?
Find your browser user agent string y see what it says about your browser, rendering engine, operating system y device. You can also paste any other user agent a decode it.
Forma parte de la sección «Datos y redes» de SmartCalcy. Se ejecuta en tu navegador sin cuenta, usa tu propia moneda y unidades (cámbialas en la parte superior de la página) y da estimaciones solo a título informativo, así que consulta la guía oficial antes de fiarte de un resultado.
Cómo usar la What es my user agent?
Qué calcula y cuándo usarla
Shows your browser’s user agent string y explains what it says: the browser y version, rendering engine, operating system y device type. You can paste any other user agent string a decode it. Useful por support requests, testing y checking what a site sees.
Cómo usarla, paso a paso
- Open the page a see your own user agent.
- Read the browser, engine, operating system y device type.
- Hasta Decodificar another string, paste it into the caja.
- Press “Copiar Resultado” a Copiar the user agent.
Qué significa cada dato
- Decodificar a different user agent – Optional. Paste a string from a log o a bug report. Leave empty por your own.
Cómo leer los resultados
- User agent string – The full text your browser sends with Cada uno request.
- What it says – Browser, engine, operating system y device type.
- Client hints – Brands, mobile flag y platform, shown when your browser supports them.
La fórmula
No calculation. The string es matched against patterns por known browsers y systems. Edge, Opera y Samsung Internet contain “Chrome” en their strings, so they are checked first.
Un ejemplo práctico
A string containing Edg/141 y Windows NT 10.0 es decoded as Microsoft Edge on Windows 10 o 11, using the Blink engine.
Supuestos y límites
- Browsers reduce o freeze parts de the string por privacy, so Ventanas 11 still reports Ventanas 10 y macOS versions bote look old.
- Strings bote be Modificado by the user, so they are not proof de what a device es.
Errores comunes
- Using the user agent alone a decide features. Test por the feature instead.
- Believing the version de macOS o Windows shown, which browsers freeze.
- Treating a bot string as human traffic.
Preguntas frecuentes
What es a user agent?
A text string your browser sends a every website a identify itself, its engine y your operating system.
Bote I Variación my user agent?
Yes. Developer herramientas y extensions bote override it.
Why does Chrome say Safari y Mozilla?
For historic compatibility. Browsers kept old names so sites would still serve them modern pages.
Why does Ventanas 11 Mostrar as Ventanas 10?
Browsers Mantener the version token NT 10.0 por bo.ª.
Herramientas relacionadas
User agent string
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/141.0.7390.37 Safari/537.36
What it says
- Browser
- Chrome 141.0.7390.37
- Engine
- Blink
- Operating system
- Linux
- Device type
- Desktop o laptop
Client hints desde your browser
- Brands
- HeadlessChrome 141, Not?A_Brand 8, Chromium 141
- Mobile
- No
- Platform
- Linux