1Password is a password management tool that helps users securely store and manage their passwords and sensitive information. It allows individuals to create strong, unique passwords for each of their accounts, reducing the risk of security breaches. The software uses encryption to protect data, ensuring that only the user can access their information. In addition to password storage, 1Password offers features like password generation, secure sharing, and two-factor authentication. It is available on multiple platforms, including Windows, macOS, iOS, and Android, making it convenient for users to access their passwords from various devices.