some common tools to work with encode, encrypt, transform, calculate, work with strings, etc.
get character position of each char in a string.
"Apple" => '1 16 16 12 5'
get sum of each characters position (in alphabet) in a string. In german also called "buchstabenwortwert" or short "BWW".
"Apple" => 50
digit sum (in german: Quersumme or short 'QS')
1989 => 27
iterated digit sum (in German: Einstellige Quersumme or short 'EQS')
1989 => 27 => 9
2989 => 28 => 10 => 1
replace a character by its number of a handy keyboard