WebAuthn / Passkey Demo

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Test your device's built‑in biometric (Touch ID, Face ID, Windows Hello) using the Web Authentication API. Register and verify.

API demo Face ID fingerprint WebAuthn

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Create a passkey and authenticate using the Web Authentication API. Supports platform authenticators (TouchID, FaceID). No server.

API biometric passkey security WebAuthn

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Paste a raw WebAuthn attestation response (CBOR) and decode its fields: format, authenticator data, and extensions. Debug passkeys locally.

Debugging attestation decoder passkey WebAuthn

Tag: WebAuthn / Passkey Demo