GRC's Ultra High Security Password Generator will be of great help to you if you want to generate long, high-quality pseudo-random strong passwords.

They could be:

  1. 64 random hexadecimal characters (0-9 and A-F)
  2. 63 random printable ASCII characters
  3. 63 random alpha-numeric characters (a-z, A-Z, 0-9)

An example: ^0%KH%G>.vs"6vk3DGX_<?8"*YG+ZITr_if,Y;WHI2%r1^edr% DGg*4nd_A6Jco

Every time this page is displayed, their server generates a unique set of custom, high quality, cryptographic-strength password strings which are safe for you to use.