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Forget your passwords.

Clef is a replacement for usernames and passwords and the most secure two-factor authentication available. Trusted by hundreds of thousands of everyday people all over the world, we think of ourselves as your friend in the security business.

“With Clef, logging into a site feels, admittedly, a little bit *magical*.”

-Nicole Perlroth, Cybersecurity, NYTimes

Why is Clef the best way to log in?

- No password required

Every website that integrates Clef for login is one you don’t have to remember a password for, and it’s the most secure login available.

- Unmatched usability

Clef’s interface is simple to understand. Anyone can utilize the best cryptography available without requiring any technical knowledge.

- Seamless security

Protects against more attacks than any other product other market, including Google Authenticator and Authy.

- Always free

Clef is always free for you. Websites that want the best customer account security pay for Clef, so you don’t have to.

- Log out anywhere

Forget to logout and remember in the car? No problem. With Clef, you can simply open the app on your phone and log out instantly from anywhere.

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Clef offers two-factor authentication built for business.

If you are a developer or manager considering integrating Clef into your product, contact our sales team, [email protected]. Our engineers assist with every enterprise integration.

- Amazing plugins

We’ve built one of the most popular WordPress plugins ever (and we have great ones for Joomla, Drupal, Magento and more too). If you’re on any of these platforms, you can set up Clef on your site, free, in a couple steps.

- Integrating Clef is a snap

If you’re a developer, integration Clef in your web app is as easy as dropping in a few lines of code. Documentation is available at docs.getClef.com and we’re available for assistance at every step of the process.

We love to hear from you! If you have feedback or suggestions, send them our way!

Visit support.getClef.com for answers to popular questions or to send our engineers an email.

What's New in the Latest Version 2.5.7