Krecji studied dressmaking in her Czech homeland in the 1940s, followed by studies in textile design at the schools of applied arts in Brno and Prague. From the mid-1950s onward, she was active in the Center for Folk Art in Czechosolovakia, advocating for the preservation and further development of traditional craft technqiues.
Her work is included in numerous museum collections including The Art Institute of Chicago, Illinois; Cleveland Museum of Art, Ohio; Museum of Decorative Arts, Prague, Czechoslovakia; Stedelijk, Amsterdam, the Netherlands; Cooper Hewitt National Design Museum, New York, New York; Powerhouse Museum, Sydney, Australia; Museum Bellerive, Lausanne, Switzerland; Slovak National Gallery, Bratislava, Czechoslovakia; Museum of Contemporary Crafts, New York, New York; The Museum of Applied Arts, Brno, Czechoslovakia; The Czech Ministry of Culture, Prague, Czechoslovakia.