Born in Brčko,[1] SR Bosnia and Herzegovina, back then still within SFR Yugoslavia, Krpić played with the youth team of Orašje where he became noticed for being the top scorer in the team and scoring in the Bosnian Youth Cup final against Bosna Visoko which Orašje won by 4–1.

[3] In the summer of 2011, Krpić returned to Bosnia and Herzegovina, and after a half-season with Orašje, he signed a one-year contract with Sarajevo the during winter-break,[4] and debuted in the second half of the 2011–12 league season.

A year later, Krpić left Sarajevo and moved to neighbor Serbia where he played in the second level, Serbian First League, with Metalac Gornji Milanovac.

[7] Halfway through the 2016–17 season, Krpić led the scoring table in the Bosnian Premier League, subsequently attracting interest from abroad.

On 3 March 2017, it was announced that he had signed a three-year contract with Swedish first-tier side AIK, a fee rumoured to be €150,000, upon recommendation from the club's assistant manager Nebojša Novaković.

At the end of the season, Krpić left Tractor, came back to Bosnia and Herzegovina and signed a two-year contract with Željezničar.

[11] On 30 November 2019, he scored another goal against Sarajevo in the city derby, this time in Željezničar's 3–1 away league win.

[12] On 3 January 2020, Krpić signed a contract with South Korean K League 1 club Suwon Samsung Bluewings for a €230.000 transfer fee.