A spare YubiKey ensures easy access to your accounts even if your primary YubiKey is lost, providing security and convenience when you need it most. Your spare key can be a different form factor than your primary key, and it will still function the same, as long as both keys are from the same YubiKey series.
The YubiKey 5 C NFC fits easily on your keychain, making it convenient to carry and use wherever you go, ensuring secure access to your accounts at all times. Simply plug in via USB-C or tap on your NFC-enabled device to authenticate
Supported by Google and Microsoft accounts, password managers and hundreds of other popular services. It works with Windows, macOS, ChromeOS and Linux. Search for "Works With YubiKey" for list of compatible services.
YubiKey 5 Series is the most versatile security key supporting multiple authentication protocols including FIDO2/WebAuthn (hardware bound passkey), FIDO U2F, Yubico OTP, OATH-TOTP, OATH-HOTP, Smart card (PIV) and OpenPGP.
High quality design and resistant to tampering, water, and crushing. No batteries or network connectivity required, offering dependable authentication without any downtime. Securely manufactured in USA & Sweden.
Customers often highlight the enhanced security provided by the physical key, which gives them greater peace of mind. Users also frequently praise the product for its overall performance, noting that it is fast, responsive, and highly reliable.
Learn more >