Nitrokey 3

Summary

Nitrokey 3 is ranked #11 of 15 in security keys on Everything Xiaomi. It runs on Android, iOS, Linux, macOS, Windows. There is no free plan.

Compared on security keys

Free plan

Nonitrokey.com

Authentication standards

WebAuthn, CTAP2/FIDO2, CTAP1/FIDO U2F 1.2, HOTP RFC 4226, TOTP RFC 6238, HOTP verificationnitrokey.com

NFC support

Yesnitrokey.com

USB connector

usb-anitrokey.com

Device management

vendor appnitrokey.com

Operating systems

Windows, macOS, Linux, BSD, Android, iOSnitrokey.com

Facts

Authentication

Nitrokey 3 supports two-factor and passwordless authentication using a PIN and physical button touch.docs.nitrokey.com · 4 Oct 2026

FIDO2 and U2F

FIDO2 and U2F support USB and NFC transports, while FIDO2 includes passwordless login and SSH login use cases.docs.nitrokey.com · 4 Oct 2026

Cryptography

OpenPGP Card and S/MIME store private keys for asymmetric cryptography and email encryption, and the overview marks both as supporting the secure element.docs.nitrokey.com · 4 Oct 2026

PIV

Nitrokey 3 includes PIV for business-focused smartcard use, with secure element support.docs.nitrokey.com · 4 Oct 2026

Password Safe

Password Safe stores passwords on the Nitrokey 3; it can hold up to 50 entries, each with login, password, comment, and OTP fields.docs.nitrokey.com · 4 Oct 2026

Secure element certification

The SE050M secure element is Common Criteria EAL 6+ certified up to the OS level.docs.nitrokey.com · 4 Oct 2026

Open source

Nitrokey says its hardware and software are open source, allowing independent security reviews.nitrokey.com · 4 Oct 2026

Supported operating systems

The FAQ lists Windows, Linux, and macOS, plus some support for Android and iOS.docs.nitrokey.com · 4 Oct 2026

Apps

Nitrokey 3 can be used with current browsers and Nitrokey App 2, and is managed with Nitrokey App 2 or nitropy rather than Nitrokey App 1.docs.nitrokey.com · 4 Oct 2026

Integrations

Nitrokey documentation provides FIDO2 guides for Nextcloud, Microsoft login, Android, SSH, and Entra ID provisioning.docs.nitrokey.com · 4 Oct 2026

Data storage limit

Nitrokey 3 does not store ordinary data; it stores cryptographic keys and certificates.docs.nitrokey.com · 4 Oct 2026

Company and production

Nitrokey says its products are produced in Germany and its company is based in Teltow, near Berlin.nitrokey.com · 4 Oct 2026

Support

Nitrokey says it offers free email support in German, English, and French, along with product guides in its documentation.docs.nitrokey.com · 4 Oct 2026

Company

Founded

2015nitrokey.com · 28 Sept 2026

Headquarters

Teltow, near Berlin, Germanynitrokey.com · 28 Sept 2026

Where it ranks on Everything Xiaomi

• Best Security Keys in 2026#11 of 15

Sources

• docs.nitrokey.com/nitrokeys/nitrokey3/getting-started· checked 4 Oct 2026
• docs.nitrokey.com/nitrokeys/nitrokey3/overview· checked 4 Oct 2026
• docs.nitrokey.com/nitrokeys/nitrokey3/faq· checked 4 Oct 2026
• nitrokey.com/products/nitrokeys· checked 4 Oct 2026
• nitrokey.com/about· checked 4 Oct 2026
• nitrokey.com/products/nitrokey-3· checked 28 Sept 2026
• shop.nitrokey.com/shop/nk3am-nitrokey-3a-mini-149· checked 4 Oct 2026
• shop.nitrokey.com/shop/nk3an-nitrokey-3a-nfc-147· checked 4 Oct 2026
• shop.nitrokey.com/shop/nk3cn-nitrokey-3c-nfc-148· checked 4 Oct 2026