What é my user agent?
Find your browser user agent string e see what it says about your browser, rendering engine, operating system e device. You can also paste any other user agent a decode it.
Leave it vazia a see your own browser’s user agent.
Sobre What é my user agent?
Find your browser user agent string e see what it says about your browser, rendering engine, operating system e device. You can also paste any other user agent a decode it.
Faz parte da secção «Dados e redes» do SmartCalcy. Funciona no seu navegador sem conta, usa a sua própria moeda e unidades (altere-as no topo da página) e dá estimativas apenas a título informativo, por isso consulte as orientações oficiais antes de confiar num resultado.
Como usar a What é my user agent?
O que calcula e quando usar
Shows your browser’s user agent string e explains what it says: the browser e version, rendering engine, operating system e device type. You can paste any other user agent string a decode it. Useful por support requests, testing e checking what a site sees.
Como usar, passo a passo
- Open the page a see your own user agent.
- Read the browser, engine, operating system e device type.
- Até Decodificar another string, paste it into the caixa.
- Press “Copiar Resultado” a Copiar the user agent.
O que significa cada campo
- Decodificar a different user agent – Optional. Paste a string from a log ou a bug report. Leave empty por your own.
Como ler os resultados
- User agent string – The full text your browser sends with Cada request.
- What it says – Browser, engine, operating system e device type.
- Client hints – Brands, mobile flag e platform, shown when your browser supports them.
A fórmula
No calculation. The string é matched against patterns por known browsers e systems. Edge, Opera e Samsung Internet contain “Chrome” em their strings, so they are checked first.
Um exemplo prático
A string containing Edg/141 e Windows NT 10.0 é decoded as Microsoft Edge on Windows 10 ou 11, using the Blink engine.
Premissas e limites
- Browsers reduce ou freeze parts de the string por privacy, so Janelas 11 still reports Janelas 10 e macOS versions lata look old.
- Strings lata be Alterado by the user, so they are not proof de what a device é.
Erros comuns
- Using the user agent alone a decide features. Test por the feature instead.
- Believing the version de macOS ou Windows shown, which browsers freeze.
- Treating a bot string as human traffic.
Perguntas frequentes
What é a user agent?
A text string your browser sends a every website a identify itself, its engine e your operating system.
Lata I Variação my user agent?
Yes. Developer ferramentas e extensions lata override it.
Why does Chrome say Safari e Mozilla?
For historic compatibility. Browsers kept old names so sites would still serve them modern pages.
Why does Janelas 11 Mostrar as Janelas 10?
Browsers Manter the version token NT 10.0 por bo.ª.
Ferramentas 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 ou laptop
Client hints de your browser
- Brands
- HeadlessChrome 141, Not?A_Brand 8, Chromium 141
- Mobile
- Não
- Platform
- Linux