https://xkpasswd.net

Here is a script for minimum-strength passwords (stronger is suggested!):

{
 "num_words": 2,
 "word_length_min": 4,
 "word_length_max": 6,
 "case_transform": "CAPITALISE",
 "separator_character": "RANDOM",
 "separator_alphabet": [
  "1",
  "2",
  "3",
  "4",
  "5",
  "6",
  "7",
  "8",
  "9",
  ":",
  "=",
  "-",
  "|",
  "!",
  "_"
 ],
 "padding_digits_before": 0,
 "padding_digits_after": 0,
 "padding_type": "FIXED",
 "padding_character": "RANDOM",
 "symbol_alphabet": [
  "!",
  "?",
  "@",
  "&",
  "#",
  "$",
  "%",
  "^",
  "*",
  "(",
  ")",
  "-",
  "_",
  "+",
  "=",
  "~"
 ],
 "padding_characters_before": 0,
 "padding_characters_after": 1,
 "random_increment": "AUTO"
}