📣 Hanko v2 Release: Build your custom login with the new JS SDK
GDPR compliant
Made in Europe
Open source, privacy-first, and built to scale. Hanko takes care of your app's user onboarding and authentication, with full control over your data. Move between self-hosted and Hanko Cloud anytime. No vendor lock-in, just Auth how it should be: secure, user friendly, and fully yours.
Trusted by 10,000+ developers
Build the login flows you need—
without the complexity
By offering a wide range of configuration options and countless combinations of authentication methods, Hanko allows you to tailor your onboarding and login flows precisely to your requirements, with a flip of a switch.
Passwordless with Passkeys and Passcodes
Our recommendation: Modern and secure, utilizing passkeys instead of passwords. Also including a fail-safe fallback login option with passcodes and email verification during sign up.
Let your users decide: Passwords optional
Hanko works flawlessly with passwords, just as everyone is accustomed to. You have the power to enable passkeys whenever you see fit, seamlessly leading your users into the passwordless future.
Social-only
Set up social logins as the only option for logins, as this has become increasingly popular lately. Decide which providers you would like to offer and add other login methods later if you want.
Out with the old:
Passkeys-only
Depending on your audience, offering only passkeys for authentication can be a viable and highly secure configuration. Not every device supports passkeys yet, though, so be aware that you may exclude some of your users.
Get started for free
Authentication UI that just works—
with Hanko Elements
Hanko Elements are customizable Web Components that provide comprehensive functionality and UI for user onboarding, login, and account management, and can be integrated into any web app.
Framework-agnostic
By using standard Web Components, Hanko Elements work in any web tech stack and doesn't require you to work with specific frameworks.
Fits your brand
We tried our best to make Hanko Elements look good. But every app has their own design. Apply custom CSS and let Hanko Elements blend in.
Drop-in auth
Fully functional, tested, and proven login and profile components that can be placed directly in your apps — without redirecting the user.
Profile Element
A pre-built security control center for your users to manage their accounts.
Hanko Profile
![]()
Passkeys is a new authentication technology which is poised to remove the need for passwords. Check out passkeys.io and @hanko_io for more info!
![]()
Martin Steven
SVP Product, Volt.io
"Hanko allowed us to roll out passkey-based 2FA in a matter of days."
![]()
"The Hanko Elements workflow on the web is excellent and incredibly easy to integrate with. I've used Auth0 & Firebase Authentication in the past, both of them are way more complicated to integrate & understand."

![]()
Super cool. Hanko: Open source alternative to Auth0 and Clerk with passkey superpowers.
![]()
James Xu
Co-Founder & CTO, kangaroo
“Great product – I’m loving it.”
![]()
Marc Seitz
Founder & CEO, Papermark
“Thanks to Hanko and their Next-Auth provider, adding passkeys to your application has never been easier.”
![]()
Stefan Weiß
Co-Founder & CTO, Cure Digital Finance GmbH
“Hanko's simple yet future-proof authentication solution quickly convinced us when building our vertical bank. Customer-centric and frictionless, but at the same time fulfilling our advanced PSD2 requirements.”
![]()
Pedro Sanders
@pedrosanders_
This weekend I plan to try Passkeys by @hanko.io. I'm excited to get a hint at a passwordless future.
The best thing about this tool? It is Open Source 🙇
![]()
Thilo Brandt
Senior Director, Head of Universal Capabilities, SAP
“The development effort for introducing passkeys was significantly reduced through the use of Hanko.”
![]()
Adrian van Putten
@ProgrammerDude
I really ejoyed integrating hanko.io
![]()
tim cappaskey
@timcappalli
Check out @hanko.io! An open-source, developer focused, passkey centric authentication stack! Love to see it.
![]()
Daniel Rotzetter
Co-Founder & Engineering Lead, Mementor
“We have been using Hanko as provider for passwordless login for over two years now. From the onboarding to this day, Hanko was always a very helpful and reliable partner with an impeccable support team.”
![]()
Darren Crossley
Head of Software Development, Agrantis
“I wanted to say how amazing the Hanko system is. The experience for developers and users is so far ahead of anything else I found in the identity / authentication space.”
Passkey API
Just want to add passkeys to your existing login?
Don’t need a full auth solution? Enable your users to skip passwords and traditional 2FA by supporting passkeys. Integrate the Hanko Passkey API into your existing authentication stack and benefit from our industry-leading, FIDO2-certified passkey infrastructure.
Learn more about Passkey API
Hanko is an open source project
No vendor lock-in or lost data. Hanko is fully open source and you can freely migrate your data from Hanko Cloud to self-hosted and vice versa.