Follow this link to the chrome web store and click "Add to Chrome".

Click "Add extension".

Click on the Napkin icon in the top right corner.

Enter the email address you used for your Napkin account and click "Next".

Enter the verification code you received via email and click "Next". (Check your spam folder if it doesn't show up in a minute.)

You are all set. 🙌

Start using the web clipper:

Select text on any page,

right-click the selected text,

select "Send to Napkin".