How Long Should a Password Be?
Password length matters because every extra random character increases the number of possible combinations. But length works best alongside randomness and uniqueness — not predictable padding.
Why password length matters
For a truly random password, adding characters rapidly increases the number of possible combinations an attacker would have to consider. That is why a long random password can be substantially stronger than a short complicated-looking one.
Length is not magic by itself. A long quotation, keyboard walk or repeated word can still be predictable. The useful combination is length plus randomness plus a password that is unique to the account.
Minimum length vs a sensible length
Websites set different minimums and maximums. Treat a minimum as an entry requirement, not necessarily a security target. Where the service allows it, a longer password generated and stored by a password manager is usually easier to manage than trying to memorise a shorter complex string.
UsefulFox allows random passwords from 8 to 64 characters. Choose the longest practical value the service accepts, especially for important accounts.
When a password manager stores it
If you do not need to remember the password, there is little benefit in making it memorable. A password manager can store a long random value and fill it when required. Each account should receive a different generated password.
Protect the password manager itself carefully, keep recovery information secure and use an additional verification method where available.
When you need something memorable
A passphrase made from unrelated random words can be easier to type and remember because its strength comes largely from length and the number of genuinely random word choices. Avoid famous phrases, song titles, personal facts and word combinations you invented because they “sound random”.
See our passphrase versus password guide for the trade-offs between compact random strings and memorable word-based secrets.
Create a private random password locally in your browser, then save it securely and use it for one account only.
Open Password Generator →Frequently asked questions
Is a longer password always stronger?
A longer random password generally has more possible combinations, but predictable content can undermine the benefit of length.
Is 8 characters enough?
Some services still accept eight characters, but a minimum requirement should not be treated as an ideal target. Use a longer unique password when the service allows it.
Should I use the maximum password length?
Using a long random password is sensible when a password manager stores it, provided the service accepts the value reliably.
Does adding symbols make a password stronger?
Symbols can enlarge the character pool in a random password, but adding predictable symbols to a familiar word is much less useful than genuine randomness and extra length.
More password security guides
Password security basics · Password length · Passphrase vs password · Password strength · Random password generators