What tombe un my user agent?
Find your browser user agent string et see what it says about your browser, rendering engine, operating system et device. You can also paste any other user agent à decode it.
Leave it vide à see your own browser’s user agent.
À propos de What tombe un my user agent?
Find your browser user agent string et see what it says about your browser, rendering engine, operating system et device. You can also paste any other user agent à decode it.
Fait partie de la section « Données et réseaux » de SmartCalcy. Fonctionne dans votre navigateur sans compte, utilise votre propre devise et vos unités (modifiables en haut de la page) et fournit des estimations à titre indicatif ; vérifiez les consignes officielles avant de vous fier à un résultat.
Comment utiliser le What tombe un my user agent?
Ce qu’il calcule et quand l’utiliser
Shows your browser’s user agent string et explains what it says: the browser et version, rendering engine, operating system et device type. You can paste any other user agent string à decode it. Useful pour support requests, testing et checking what a site sees.
Mode d’emploi, étape par étape
- Open the page à see your own user agent.
- Read the browser, engine, operating system et device type.
- Au Décoder another string, paste it into the carton.
- Press “Copier Résultat” à Copier the user agent.
Que signifie chaque champ
- Décoder a different user agent – Optional. Paste a string from a log ou a bug report. Leave empty pour your own.
Comment lire les résultats
- User agent string – The full text your browser sends with Unité request.
- What it says – Browser, engine, operating system et device type.
- Client hints – Brands, mobile flag et platform, shown when your browser supports them.
La formule
No calculation. The string tombe un matched against patterns pour known browsers et systems. Edge, Opera et Samsung Internet contain “Chrome” à their strings, so they are checked first.
Un exemple concret
A string containing Edg/141 et Windows NT 10.0 tombe un decoded as Microsoft Edge on Windows 10 ou 11, using the Blink engine.
Hypothèses et limites
- Browsers reduce ou freeze parts de the string pour privacy, so Fenêtres 11 still reports Fenêtres 10 et macOS versions pot look old.
- Strings pot be Modifié by the user, so they are not proof de what a device est.
Erreurs courantes
- Using the user agent alone à decide features. Test pour the feature instead.
- Believing the version de macOS ou Windows shown, which browsers freeze.
- Treating a bot string as human traffic.
Questions fréquentes
What tombe un a user agent?
A text string your browser sends à every website à identify itself, its engine et your operating system.
Pot I Variation my user agent?
Yes. Developer outils et extensions pot override it.
Why does Chrome say Safari et Mozilla?
For historic compatibility. Browsers kept old names so sites would still serve them modern pages.
Why does Fenêtres 11 Afficher as Fenêtres 10?
Browsers Garder the version token NT 10.0 pour boe.
Outils associés
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
- Non
- Platform
- Linux