Passkeys vs Passwords: The Future of Authentication
Passkeys explained: how FIDO2/WebAuthn works, why passkeys are more secure than passwords, browser support, and migration strategies.
What Are Passkeys?
Passkeys are cryptographic credentials stored on your device (phone, laptop, security key). Instead of typing a password, you authenticate with biometrics (fingerprint, face) or a device PIN. The server never sees a password — only a cryptographic proof.
Why Passkeys Are More Secure
- Cannot be phished (bound to the specific website domain)
- Cannot be leaked in data breaches (server stores public key only)
- Cannot be brute-forced (no password to guess)
- Cannot be reused across sites
Try It Free
Use our free online tool — 100% client-side, no data leaves your browser.
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