Category: Tap Code Tutorials

Encode messages on phones with copy buttons, landscape mode, and quiet practice.

Switch between visual dot patterns and numeric row-column output on the homepage tool.

Convert grid coordinates into two-number sequences separated by pauses.

Locate each letter by row and column on the tap code table before you knock or type.

Read dot groups and pauses back into letters using the standard Polybius square.

Translate letters to row-column pairs on the 5×5 grid, then output knocks as dots or numbers.