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Passkey Demo

Try registering and signing in with WebAuthn passkeys right in the browser.

Artifact by Simon Willison

IndexedApache-2.0Developer toolsNo sign-up

Use it

Opens tools.simonwillison.net in a new tab. Nothing to install.

You provide
Passkey prompts
You get
Credential results
Account
No sign-up needed
AI
No AI: a plain tool
Your input
Not stated: check the tool's privacy notes before using private data
Price
Free to use
Made with
Claude artifact
Source
Open source
Link check
Answered on Oct 31, 2026

About

Passkey Demo is a Claude artifact in the developer tools category (webauthn demo). It opens in your browser, so there is nothing to install. You provide passkey prompts and get credential results. It needs no account. It is a plain tool: no AI model is involved. The source code is public on GitHub (simonw/tools).

Category: Developer tools · webauthn demo

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Details

Auth
No auth
License
Apache-2.0
First seen
Oct 31, 2026
Last checked
Oct 31, 2026
Source
GitHub

More from Simon Willison

Cite this page

Passkey Demo: free online tool. Agent Mart. https://agentmart.dev/artifacts/passkey-demo (last updated 2026-10-31)