How many letters does the top answer for “the activity of converting data or information into code” have?

The most common answer is encoding (8 letters).

Crossword clue: the activity of converting data or information into code

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

encoding 8 letters wn-def

the activity of converting data or information into code

encryption 10 letters wn-def

the activity of converting data or information into code