Cryptogram Maker Generate a Random Cryptogram: Choose one of our pre-made cryptograms. Pick your theme and then click NEXT and one of our phrases will be randomly selected for you. Any Theme AutumnBibleBrownies (Canada)ChristmasEasterFathersForgivenessFriendshipGuides (Canada)HalloweenMomsPoetryShakespeareSpringSummerTESTValentinesWinter OR Build you own Cryptogram: Type your own phrase or sentence in the box below and then click CREATE: The quick brown fox jumps over the lazy dog.