Sign in
Your credits live on the server, so runs belong to an account. The free plan is 100 credits a month and needs no card.
or
Using the extension
Sign in here, then open the Sift side panel in Chrome — it picks the session up on its own. You can also sign in with the same email and password directly in the panel.
Not installed yet?
Sift isn't in the Chrome Web Store yet. Load it unpacked — about a minute.