Kronberger was born in Budapest in 1890. She won a World Bronze medal in 1906, at the first official World Championships to include a ladies' event. She won bronze again in 1907, and four gold medals from 1908 to 1911. She was the first athlete to win a world championship gold for Hungary. In 1911, Kronberger became the first skater to use musical accompaniment during her entire free program. She did this at the suggestion of Zoltán Kodály. She died in Budapest in 1974.