How to Create Strong Passwords (and Remember Them)
Most account break-ins do not involve clever hacking. They happen because a password was short, guessable or reused across sites. A few habits close most of that gap.
Length beats complexity
Each additional character multiplies the number of guesses an attacker needs. A 12-character password made of random letters, digits and symbols has about 79 bits of entropy; a 16-character one has about 105. Substituting β@β for βaβ in a dictionary word adds almost nothing, because cracking tools try those swaps first. Aim for at least 14 characters for important accounts.
Random is the key
Humans are bad at randomness. We choose names, birthdays, keyboard patterns and predictable endings like β123!β. A generator avoids this. Our password generator uses your browserβs cryptographic random source and runs entirely on your device, so the result is never sent anywhere.
Passphrases you can remember
A passphrase is several random words, such as βcopper-lantern-orbit-seventyβ. Four to six unrelated words is long, easy to type and easy to recall. The word choice must be random; a famous quote or song lyric is not safe.
One password per site
When a website is breached, attackers try the leaked email and password on other services, a technique called credential stuffing. If every account has its own password, one leak stays contained.
Use a password manager
Nobody can remember dozens of unique random passwords. A reputable password manager stores them encrypted behind one strong master passphrase and fills them in for you. Browsers include basic managers; dedicated apps add sharing and breach alerts.
Turn on two-factor authentication
Even the best password can be phished. Two-factor authentication adds a second check, such as an authenticator app, a hardware key or a passkey. Prefer these over SMS codes where possible, and enable them first on email, banking and cloud storage.
How sites should store passwords
Websites should never keep your password in plain text. They store a slow, salted hash. Plain hashes like MD5 are not suitable for passwords, which is why the hash generator is intended for checksums and learning, not for password storage. Developers who need unique identifiers can use the UUID generator.
Quick checklist
- 14+ random characters or a 4β6 word random passphrase
- A unique password for every account
- A password manager and a strong master passphrase
- Two-factor authentication on key accounts
- Change a password immediately if a service reports a breach