# Passkeys.eu - The Passkey Demo & Knowledge Platform > **Passkeys.eu** offers a free interactive **passkey demo** as well as concise information about passwordless logins with passkeys. The site includes **explanations, support FAQs, developer guides and more**, making it easy to get started with *passkey* technology. ## Demo & Introduction * **[Passkeys Demo](https://passkeys.eu/)** - Interactive demo for trying out passkey logins via biometrics directly in the browser. Also covers basic questions: *What are passkeys, why are they important, who supports them* and *how do passkeys work* (including **instructions** for creating and using passkeys on different devices). ## Support & FAQ * **[Passkey Support](https://passkeys.eu/passkey-support)** - Help page for common passkey problems and questions. Offers *free support* for implementation issues, a **troubleshooting overview** of common error messages (e.g. *'No passkeys available'*) and refers to an active *community* (Slack) for further discussion. * **[Device Support](https://passkeys.eu/device-support)** - Overview of **passkey compatibility** on different platforms. Lists supported **operating systems & browsers** (iOS, Android, Windows, macOS, Linux) with version information. Also includes an FAQ section on device compatibility (do passkeys work on iPhone, in Safari, Firefox, etc.). ## For developers * **[Passkeys for developers](https://passkeys.eu/passkeys-for-developers)** - Developer guide to **implementing passkeys**. Explains the technical processes involved in **passkey creation and login** (WebAuthn *registration* & *authentication* step by step) and highlights important concepts (e.g. *relying party ID*, *conditional UI*, *discoverable credentials*, *cross-device auth*). Contains links to further **technical information** and best practices (SDKs, tutorials, server libraries, cheat sheet, glossary) for successful passkey integration. ## Enterprise solutions * **[Enterprise Passkey Services 2025](https://passkeys.eu/best-enterprise-passkey-solutions)** - Detailed **comparison of leading passkey providers** for enterprises (as of 2025). This guide highlights the *top passkey service providers* and provides best practices for large-scale FIDO2 deployments. It addresses key questions (which providers are available, selection criteria, typical **cost models**) and provides **statistics on passkey adoption** in enterprises (e.g., security gains, user acceptance, decline in support requests). ## International (Optional) * **[What are passkeys? (German)](https://passkeys.eu/de/was-sind-passkeys)** - Comprehensive introduction to the concept of passkeys in **German**. Explains why passkeys are the *future of secure, passwordless login* - including their development history, key **advantages** (security, UX) and *challenges* associated with their introduction. * **[¿Qué son los Passkeys? (Spanish)](https://passkeys.eu/es/que-es-passkeys)** - Detailed introduction to passkeys in **Spanish**, explaining why they represent *the future of secure, passwordless access*. Covers the historical evolution, **key benefits** (security, ease of use) and challenges of adopting passkeys. * **[What are Passkeys? (French)](https://passkeys.eu/fr/passkey-cest-quoi)** - Explanatory guide in **French** on Passkeys, describing *the future of secure passwordless authentication*. Presents the concept, **history** (FIDO2/WebAuthn), **benefits** (anti-phishing security, simplicity) and challenges and solutions for adopting passkeys. * **[What are Passkeys? (Italian)](https://passkeys.eu/it/cosa-sono-le-passkey)** - Guide in **Italian** explaining what *passkeys* are and why they represent *the future of secure passwordless access*.It includes the history of development, the **advantages** for users and businesses (security, speed) and the main challenges in adopting passkeys. * ** [Wat zijn Passkeys? (Nederlands)](https://passkeys.eu/nl/wat-zijn-passkeys)** - Explanation in **Dutch** about passkeys as *the future of secure, passwordless login*. Covers the history, main **benefits** (security, ease of use) and challenges in implementing passkeys. * **[Czym są Passkeys? (Polski)](https://passkeys.eu/pl/czym-sa-passkeys)** - Guide in **Polish** explaining why passkeys are *the future of secure, passwordless login*. It discusses the definition and evolution of the technology, key **benefits** (phishing resistance, convenience) and challenges associated with implementing passkeys. * **[What are Passkeys? (Portuguese)](https://passkeys.eu/pt/o-que-sao-passkeys)** - Explanation in **Portuguese** about Passkeys, highlighting why they are *the future of secure, password-free access*. It covers the evolution of authentication, **benefits** (security, convenience) and challenges in adopting passkeys. * **[What are Passkeys? (Swedish)](https://passkeys.eu/sv/vad-ar-passkeys)** - Introduction in **Swedish** to Passkeys as *the future of secure login without passwords*. Describes the concept, its **benefits** (security, user-friendliness) and challenges in introducing passkeys.