How to Generate Two-Factor Authentication Codes in 1Password 1Password is one of our favorite password managers for a good reason. It has excellent features, such as the ability to generate one-time passwords that you can quickly enter when logging in to your online accounts. Yes, 1Password can store your passwords and be your default authenticator app, too. Before we show you how to set up two-factor authentication codes for various websites in 1Password, let’s start by talking about the pros and cons of using 1Password as your primary authenticator. Table of Contents Should You Use a Password Manager to Generate One-Time Passwords?