He published at least two books in which he translated religious texts to "Slovenski" language of Kajkavian dialect.
[2][3] Krajačević was also military officer at the beginning of his adult life and even participated in battles against the Ottomans.
[3] According to some views, after Krajačević left military service he studied philosophy in Graz and theology probably in Rome.
[7] Krajačević published Prayer Book ("Molitvene knjižice Kristušovem vernei slovenskoga jezika, pristojne i hasnovite") in 1640 in Požun on Kajkavian.
[11] In his works Krajačević wanted to make spiritual texts more acceptable to the common public and published them together with adapted folk poetry, which he considered filthy and inappropriate.
[6] Krajačić's Saint Evangelions were published by Petar Petretić who wrote its prologue in Graz in 1651.