Two-factor authentication from the future.

With Clef, the often painful process of logging into a site feels, admittedly, a little bit magical. Nicole Perlroth, Cybersecurity & Privacy, NYTimes
iPhone

Clef is secure two-factor auth with no passwords or tokens. Learn more.

42,061
websites already use Clef
ITConcierge

Clef makes it extremely easy for users to log in. It simplifies my support tasks by taking the lost/forgotten/wrong password calls down to near zero. Paired with the crazy simple and fast setup process, Clef is way ahead of other options.

Glen Ferguson, ITConcierge.com

Clef is easy two-factor with a crazy simple and fast setup process. Learn more about Clef

Clef will keep your users secure and happy at the same time.

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