JSON

formats

JavaScript Object Notation, a lightweight data-interchange format

Pronunciation

Correct

JAY-son

/ˈdʒeɪsən/

Douglas Crockford, who popularised JSON, has confirmed 'JAY-son' as the intended pronunciation, likening it to the name Jason.

Source: www.json.org(creator statement)

Accepted Variant

J-SON

/dʒeɪ sɒn/

Some developers spell it out as 'J-SON', treating it as an initialism. Both are understood, though 'JAY-son' is preferred.

Source: www.json.org(community consensus)