4th April 2025
Tool
Passkey Demo | tools.simonwillison.net
— Experiment with passkey registration and authentication using the WebAuthn API in your browser. This demo allows you to create passkey credentials, authenticate with them, and inspect the underlying protocol responses and data. Stored credentials are maintained locally in your browser's storage, making this a fully client-side implementation for learning how modern passwordless authentication works.
Recent articles
- Two new Showboat tools: Chartroom and datasette-showboat - 17th February 2026
- Deep Blue - 15th February 2026
- The evolution of OpenAI's mission statement - 13th February 2026