Nitrokey Passkey review
A transparent, standards-based security key for passkey users who prefer open-source hardware.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Nitrokey Passkey is a USB-A hardware security key for passwordless login and two-factor authentication. It stores cryptographic keys on the device and supports WebAuthn, CTAP2/FIDO2 and CTAP1/FIDO U2F. The product is aimed at private users, organizations and enterprise authentication scenarios, including Microsoft Entra ID-managed Windows systems. Its touch button confirms user presence, while PIN protection, signed firmware updates and a four-color LED provide additional device controls and feedback. Open-source hardware and firmware make it a suitable choice for buyers who want a more transparent passkey device.
The published plan shows one paid option: Nitrokey Passkey costs €32 as a one-time purchase. It includes passwordless login, two-factor authentication, WebAuthn and FIDO2, and the USB-A mini form factor. The official shop notes that prices include duties and taxes, while some countries require an individual quote. There is no free plan. This pricing structure is straightforward for individuals or teams buying physical keys, but it does not describe recurring management features or tiered administration capabilities.
Platform coverage is a clear strength. Nitrokey Passkey works with Windows, macOS, Linux, BSD, Android and iOS, and supports current web browsers without proprietary client software. Listed integrations include Google, Microsoft, Microsoft Entra ID and Nextcloud. The trade-offs are equally direct: the key has no NFC, uses USB-A, and offers no device management. Choose it if open-source design, established authentication standards and wide operating-system support matter most. Choose an alternative if your organization needs centralized key administration, NFC-based access or a different connector.
Nitrokey Passkey pros and cons
- Where it wins
- Supports passkeys, WebAuthn, FIDO2 and FIDO U2F
- Open-source hardware and firmware with signed updates
- Works across Windows, macOS, Linux, BSD, Android and iOS
- Where it doesn't
- USB-A connector limits compatibility with some devices
- No NFC support for tap-based authentication
- No built-in device management
Nitrokey Passkey fact sheet, pricing and score →
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