Number of passwords to generate (upto 20): 

Security level:
  Hack Me (non-altered words from the dictionary)
  Pass Phrase (phrase of dictionary words)
  Easy (randomly generated, hopefully pronounceable words)
  Medium (mutated dictionary words)
  Hard (mutated generated words)
  Insane (random sequence of letters, numerals and other characters)

Strength:
  Long
  Short