WebDevAuthn
Debug FIDO2 requests and responses
WebDevAuthn - Debug FIDO2 requests
WebDevAuthn is a Chrome extension that provides powerful tools to debug FIDO2/WebAuthn requests and responses. It captures WebAuthn requests, analyses options, and unpacks authenticator responses. With the virtual authenticator device, you can simulate custom responses and test implementations. Ideal for developers and security enthusiasts.
Extension stats
Risk impact: Moderate risk impact 
Risk likelihood:
Manifest version: 3
Permissions:
- storage
Host permissions:
- <all_urls>
Size: 19.00K
Email: di*****@gmail.com
Other platforms
Not available on Android
Not available on Firefox
Not available on Edge
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Extension summary
Analyse FIDO2/WebAuthn requests and responses
Analyser Features:
- Capture WebAuthn requests
- Analyse WebAuthn options (show info, warnings & errors)
- Unpack/Decode WebAuthn authenticator responses
- Virtual Authenticator Device (for custom responses)
Virtual Authenticator Device
- OS independent
- Supports packed attestation
- Supports wrapped keys to credentials id
- Access to the private key of the generated credentials
- Testing mode to assess implementations
- Multiple supported algorithms
Extension safety
Risk impact
WebDevAuthn requires a few sensitive permissions. Exercise caution before installing.
Risk likelihood
WebDevAuthn has earned a good reputation and can be trusted.
Upgrade to see risk analysis details
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