Can I use passkeys on my devices?

OS
Operating system
Browser/app
Status
Note
iOS
Safari
Icon, check green
Chrome, Brave, Edge
Icon, check green
Firefox
Icon, check green
iOS apps
Icon, check green
macOS
Safari
Icon, check green
Chrome, Brave, Edge
Icon, check green
Firefox
Icon check green outline
Access to iCloud Keychain under development
Mac apps
Icon, check green
Android
Chrome, Brave, Edge
Icon, check green
Firefox
Icon, check green
Samsung Internet
Icon check green outline
No access to Google Password Manager
Android apps
Icon, check green
Windows
Chrome, Brave, Edge
Icon check green outline
Firefox
Icon check green outline
Passkey QR code flow and passkey management features coming with Windows 11 23H2
Windows apps
Icon check green outline
Linux
Chrome, Firefox
icon check orange outline
Phone passkeys (QR code flow) and physical security keys only
OS
Operating system
Browser/app
Status
iOS
Safari
Icon, check green
Chrome, Brave, Edge
Icon, check green
Firefox
Icon, check green
iOS apps
Icon, check green
macOS
Safari
Icon, check green
Chrome, Brave, Edge
Icon check green outline
Firefox
icon check orange outline
Mac apps
Icon, check green
Android
Chrome, Brave, Edge
Icon, check green
Firefox
Icon, check green
Samsung Internet
Icon check green outline
Adroid apps
Icon, check green
Windows
Chrome, Brave, Edge
Icon check green outline
Firefox
Icon check green outline
Windows apps
Icon check green outline
Linux
Chrome, Firefox
icon check orange outline
For an in-depth feature overview visit passkeys.dev.

How do passkeys work?