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Trifid Cipher

Fractionating cipher using three 3 by 3 squares.

The Trifid cipher, invented by Felix Delastelle, extends the Bifid cipher into three dimensions. It splits letters into three coordinates, mixes those coordinates, then converts them back through three 3 by 3 squares.

Enter a keyword, phrase, or alphabet and the rest will be calculated for you.

Enter a single non A-Z character.

Polybius Cubes