Long, randomly generated passwords everywhere you can, in conjunction with a password manager such as 1Password or iCloud Keychain
A 6 (or more) word, randomly generated, diceware passphrase to secure the password manager
Choose a passphrase length (6 or greater recommended):
Passphrase will be erased in 15 seconds.
Result:
Passphrase:?
Passphrase strength:
Entropy:? Time to crack:?
Passphrase strength based on Silent Circle’s password strength algorithm. It’s a few years old, so the time to crack is very likely overestimated.
Random number generator uses window.crypto in browsers that support it and falls back to Math.random in other browsers.