• HomeHome
    • 2FAS Pass Mobile App
    • 2FAS Pass Browser Extension
    • Pricing
    • 2FAS Auth Mobile App
    • 2FAS Auth Browser Extension
    • Donate
  • About usAbout
  • Help CenterHelp Center
  • Get the appsGet the apps
  • HomeHome
    • 2FAS Pass Mobile App
    • 2FAS Pass Browser Extension
    • Pricing
    • 2FAS Auth Mobile App
    • 2FAS Auth Browser Extension
    • Donate
  • About usAbout
  • Help CenterHelp Center
  • Get the appsGet the apps

Your Passwords and 2FA Tokens are in safe hands. Your hands.

Store your passwords and 2FA Tokens locally.
No server means no data breaches.

Local-first password manager

Still, it's a top-notch tool

PCMag

2FAS Pass
2FAS Auth

4.7

Average rating

6+

Million downloads

Dropbox

000 000

30
Slack

000 000

30

Local-first authenticator app

  • No accounts required100% anonymous use.
  • 3 security TiersFull control over the Security Tiers of your Items.
  • Web Browser ExtensionShare selected passwords with the browser securely and privately.
  • Beyond native security standardsNothing unencrypted will get out of your mobile device.
Learn more
No accounts requiredNo accounts required
3 security Tiers3 security Tiers
Web Browser ExtensionWeb Browser Extension
Beyond native security standardsBeyond native security standards
  • No accounts required100% anonymous use.
  • Cloud and manual backup.Full control over the storage of your Tokens.
  • Token customizationFull control over the groups, badges, icons, and labels.
  • Apple WatchImproved convenience and accessibility.
Learn more
No accounts requiredNo accounts required
Cloud and manual backup.Cloud and manual backup.
Token customizationToken customization
Apple WatchApple Watch

The 2FAS way

The privacy and security of your online accounts are non-negotiable.

Here is how we deal with online security the 2FAS way.

Local-first

Store your data locally and self-host your Vault wherever you please.

Zero knowledge

2FAS does not collect or see any user data. Everything stays on your device unless you decide otherwise.

Open-source and Source-available

Open-source and Source-available

2FAS source code is made public to ensure full transparency. The Cryptography White Paper documents 2FAS algorithms and design decisions.

Native apps

Native iOS and Android user interface and experience.

Works offline

Offline data storage that gives you full control over every piece of information from your app.

State-of-the-art encryption

Open-source and Source-available

Local, on-device encryption, ensuring only you have the encryption keys

Millions use 2FAS everyday

Excellent, free, open-source 2 factor authentication app is a breeze to migrate from existing ones and is free from invasive data gathering and profiling. Highly recommended in this age of disappearing privacy.

The_WolfieOne

App Store

Awesome 😎, the best Auth app out there! Clean interface, fast, reliable, and both installing and restoring the accounts are pretty easy and smooth.

Ahmed Shawky

Google Play Store

I’ve been using this app for almost 4 years. It has never disappointed me. This product is reliable, easy to use, no ads, no hidden subscriptions, and has a beautiful interface. I’ve been recommending this app to everyone that I know.

Compra fácil y sencilla

App Store

2FAS is a strong contender for the best free 2FA authenticator app. It's open-source, secure, private, and packed with features that make it easy to add an extra layer of protection to your online accounts. If you're looking for a reliable, easy-to-use, and privacy-focused 2FA app, 2FAS is an excellent choice.

Anton P.

Google Play Store

This is one of the best 2FA authentication apps, and it’s totally free. I have been using this for the last 2 years.

Sk Saifuddin

App Store

Straight up the best authenticator app and it's not even close.

Paul Tanase

Google Play Store

Incredible app with tons of useful features and security in mind! Works like clockwork 🫡 amazing devs!

AverageWebDev

App Store

This is an excellent authenticator app! Setting up new accounts is incredibly easy, usually just a quick QR scan. The interface is clean and straightforward, making it fast to find the code you need. Backup code system and other features are great.

Rashedur Rahman Rashed

Google Play Store

This app is not only safe but effective, it was not hard at all to use and learn about it. This is easily one of the, if not the most effective, apps for beginners.

Reviewer-15

App Store

One of the best authenticator apps! Open source, fast, and great integration between pc and mobile.

Valentino Richard

Google Play Store
Next

Read other unmoderated comments on the App Store and Google Play.

Security at Heart Privacy by Design

Security and privacy are our core values. Since 2015, we have been working hard to ensure our users can store their security data in a secure and private environment.

These values will continue to drive both our software development and our business decisions.

Learn more

Driven by the growing community

See Our GitHub Source CodeJoin our GitHub project and contribute to 2FAS by running code review and committing your ideas.Join Our Discord CommunityJoin our server to connect with the active 2FAS team and friendly community.Join Our Reddit CommunityJoin our subreddit to connect with the active 2FAS team and our friendly community.Donate to 2FAS Projects

Every 2FAS community member puts in an effort to develop the 2FAS project.

Contributions to the project are not only based on code review and new commits. We draw on our active community to:

  • Crowdsource translations.
  • Support users by helping them on 2FAS Discord server.
  • Contribute to the 2FAS GitHub.
  • And much more!

We invite everyone to share their experiences, knowledge and ideas to help the 2FAS project make a real and positive change in Internet security and privacy.

Take back control of your Passwords and 2FA Tokens — securely and privately.

2FAS PASS2FAS AUTH
  • About us
  • Press kit
  • Terms of Service
  • Privacy Policy

Site theme

Authenticator

Products

  • 2FAS Auth Mobile App
  • 2FAS Auth Browser Extension

Resources

  • Donations
  • How to enable 2FA
  • Quick Browser Extension Check
  • Check generated token
  • Your branding
  • Your 2FA guide
  • Open-source Licenses

Comparisons

  • Google Authenticator vs. 2FAS Auth
  • Authy vs. 2FAS Auth
  • Microsoft Authenticator vs. 2FAS Auth
  • Duo vs. 2FAS Auth

Policies

  • 2FAS Auth Privacy Policy
  • 2FAS Auth EULA

Password manager

Products

  • 2FAS Pass Mobile App
  • 2FAS Pass Browser Extension

Resources

  • 2FAS Pass Pricing
  • 2FAS Pass Recovery
  • Open-source Licenses

Policies

  • 2FAS Pass Privacy Policy
  • 2FAS Pass EULA

Support

  • Help Center
  • Support

Connect

© 2026 Two Factor Authentication Service, Inc. All rights reserved.