Password Crack Time
Find out how fast your password could be cracked, compare realistic and brute force estimates, and generate strong passwords instantly.
This tool estimates how long it would take to crack your password using realistic attack methods and brute force calculations.
Strong password generator
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Funny password generator
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Estimated crack time
Start typing to test your password
How to make it stronger
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iAdd more characters Longer passwords are much harder to crack than short ones.
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*Mix things up Use upper and lowercase letters, numbers, and symbols.
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#Avoid common patterns Skip names, birthdays, keyboard patterns, and predictable words.
Attack scenarios
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@Online attack —
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GPUOffline fast hash —
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SOffline slow hash —
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BFBrute force estimate —
Curious how different password lengths affect security? Explore these examples:
Related password tools
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- How long to crack a 12 character password
How password crack time works
Password crack time depends on several factors, including length, complexity, and whether your password includes common words or predictable patterns. Short passwords and common combinations can be guessed quickly, while longer and more random passwords can take dramatically longer to break.
This checker uses a trusted password-strength library in your browser to estimate how resistant your password is against different attack types. For the safest results, use a unique password for every account and store it in a password manager.