Why Choose Buttercup?
Buttercup is a free, open-source password manager that stores your passwords securely. Its modern design and strong encryption make password management easy and safe.
Strong Encryption
Buttercup encrypts all your data locally with strong AES-256 encryption for maximum security.
Open-Source & Transparent
Being open-source, Buttercup allows anyone to audit its code and ensures trustworthiness.
Cross-Platform
Access your password vault on Windows, macOS, Linux, iOS, Android, and web browsers.
Password Generator & Autofill
Generate strong passwords and use browser extensions for secure autofill functionality.
How to Download and Install Buttercup
Click the Download Button
Go to the official Buttercup download page using the button above.
Select Your Platform
Choose the version compatible with your operating system or device.
Install Buttercup
Run the installer or follow instructions to set up Buttercup on your device.
Create a Vault
Set a master password and create a secure password vault to store your credentials.
Start Managing Your Passwords
Add passwords, use the generator, and enable browser extensions for easy logins.
Security Tip
Always download Buttercup from official sources to ensure security and avoid malicious software.
Compatibility
Buttercup works on Windows, macOS, Linux, iOS, Android, and web browsers for convenient password management anywhere.
Windows
Windows 10 & 11
macOS
macOS 11+
Linux
Multiple distributions
iOS
iPhone & iPad
Android
Phones & Tablets
Getting Started
After installation, create a vault, add your passwords, enable autofill, and enjoy secure password management with Buttercup.