Knackkodskodare/-avkodare

Koda och avkoda text med Polybius-rutnätets knackkodchiffer

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Tap Code

Encode and decode text using tap code, a Polybius square cipher variant historically used by prisoners to communicate through walls.

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Encode

Decode

Text Input

Enter text to encode (letters and spaces)...

Tap Code Output

Result will appear here

Tap Code Grid (Polybius Square)

	.	..	...	....	.....
.	A	B	C	D	E
..	F	G	H	I	J
...	L	M	N	O	P
....	Q	R	S	T	U
.....	V	W	X	Y	Z

Note: The letter K is replaced by C in the traditional tap code grid.

Format

Encoding format: