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.

44,954
websites already use Clef
ITConcierge

We integrated Clef into CoinDaddy for two-factor and it is great. Integration was easy (took a few minutes) and logging in with Clef is way faster. If any cryptocurrency company is looking for good/cheap/secure 2FA authentication, I would highly suggest Clef.

Jeremy Johnson, Founder at CoinDaddy

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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