Security & Authentication
Passkey / WebAuthn Debugger
Inspect clientDataJSON and authenticator data without storing credentials.
0 characters
Output
0 characters
Your result will appear here
Add an input and run the tool to get started.How to use Passkey / WebAuthn Debugger
Paste your input or load the example, choose the relevant options, then select Run tool. Errors appear below the editors. Copy or download the result when ready.
Client data accepts JSON or Base64url. Authenticator data accepts Base64url bytes. Inspection does not verify an assertion signature.
Keyboard shortcuts: Ctrl/⌘ + Enter to run, Ctrl/⌘ + K to find another tool.