Tanutchai was born in Bangkok, Thailand to a Thai-Chinese father and a Thai-Indian mother.

He is the third child among his siblings, one of which is Chalida Vijitvongthong (Mint), an actress and model.

He started his lower secondary education at Sri Ayudhya School but later transferred to Srinakharinwirot University where he graduated.

He was sent by his family to study in India but encountered some problems and had to return to Thailand where he took up and passed the General Educational Development (GED) examination, an equivalent of completing the secondary education level.

[2][3] In 2019, he graduated with a bachelor's degree in communication arts at Bangkok University.