Create master password
Generate high-entropy keys for password managers.
Creating an Unbreakable Master Password
Your master password is the single most important key in your digital life. It protects your entire password vault. It must be long, unique, and memorable. Generating this key locally on your device prevents it from being intercepted by malicious scripts or stored in server logs.
Memorable yet Secure Passwords
We suggest using a "passphrase" approach for master passwords. By combining four or five random words with numbers and symbols, you create a password that is easy for you to remember but impossible for a computer to guess. Our tool provides the entropy needed for this high - level security.
Master Password Strength Analysis
A dictionary - based password with four random words offers around 44 bits of entropy. By using the ReverseToolkit generator to create a 20 - character high - entropy string, you reach over 130 bits, which is currently considered undiscovered and uncrackable by modern supercomputers.