Hardly predictable random password generator
for safe, secure, strong passwords

Source characters:

N. of source characters:

You can also manually edit
the Source characters window

Password Length: min: max:
Password Count:
Hash: SHA1 SHA256 Separator

Generated Passwords:

Possible Combinations:

Time required to bruteforce a password on a
system able to try combinations per second:

Estimated Average Time:

Maximum Time:

Note: Current age of the Universe is about 13.8 billion years, and the entire lifespan of the Universe might be of 35 billion years (calculated by Robert Caldwell et al., Dartmouth College), so that a password that would need more than 21 billion years to be cracked by brute force potentially may protect data till the end of time, still 1) a lucky guess can come earlier, 2) computer systems get always faster, and 3) algorithms beyond passwords can have weaknesses that can be exploited.

Other generators:
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