WebAuthn / Passkey Options Builder
NewGenerate PublicKeyCredentialCreationOptions and RequestOptions for passkeys with secure defaults and a random challenge.
webauthn optionspasskey options generatorpublickeycredentialcreationoptionspasskeys builder
Read the guideShortcuts:⌘ KSearch?HelpD MDark modeG TAll tools
Continue with:
Frequently Asked Questions
What is rpId?
The registrable domain of your site, for example example.com.
Should I use attestation?
Usually "none"; other values prompt the user and expose device details.
Is my data uploaded?
No. Everything runs locally in your browser.