User-Agent Generator / User-Agents by Browser / Firefox

Firefox

The User-Agent structure and representative examples of Firefox

Firefox is a browser developed by Mozilla and uses the Gecko rendering engine. The table below shows the User-Agent tokens that identify Firefox and its supported operating systems, followed by real string examples.

VendorMozilla
Rendering EngineGecko
Supported OSWindows, macOS, Linux, Android
UA Identifier TokenFirefox/<version>.0

User-Agent Example

Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:148.0) Gecko/20100101 Firefox/148.0Mozilla/5.0 (Android 16; Mobile; rv:148.0) Gecko/148.0 Firefox/148.0

Try assembling one yourself: User-Agent Generator