Krasniqi was born into a Kosovo Albanian family that had settled in his hometown of Kavajë, which is where he started his football career at the youth team of local club Besa at the age of 14 in 2010. He made his senior league debut for the club on 11 May 2013 in a 1–1 away draw with Bylis Ballsh, entering in the final15 minutes in place of Didmar Duro. He scored his first league goal for the club on 1 November 2014 in a 3–1 away loss to Iliria Fushë-Krujë. His goal, the first of the match, came in the 16th minute. On 3 September 2015, Krasniqi moved to Albanian First Division club Apolonia Fier by signing for an undisclosed fee. He made his league debut for the club nine days later in a 3–2 home loss against KS Pogradeci. He scored his first league goal for the club on 17 October 2015 versus Elbasani, netting the temporally equalizer in 70th minute in an eventual 2–1 home win. With 6 months remained in his contract with Apolonia Fier, Krasniqi signed a pre-contract with Skënderbeu Korçë to join the club in Summer transfers window. Later on, the Skënderbeu Korçë's coach Ilir Daja was looking forward for a striker to compete with Ali Sowe and convinced the club to approach him for the winter transfers window. On 8 January2018 Krasniqi gave the club last goodbye to join Skënderbeu Korçë the following day. Skënderbeu Korçë paid €15,000 to Apolonia Fier and both clubs agreed that the later would keep 20% of his card. Then the following day Krasniqi went to Antalya, Turkey where the club was in preparatory stage and signed a 3.5 year contract. Krasniqi made his league debut for the club on 26 January 2018 in a 2–0 away loss to Luftëtari Gjirokastër. He was subbed on for Emiljano Vila in the 85th minute. His first score-sheet contribution came later on 4 March during the 4–0 home win over Laçi, with Krasniqi scoring the fourth of the match in 84th minute, just eight minutes after he had been subbed on. He played 9 league appearances during the second part of 2017–18 season as Skënderbeu Korçë won the championship for the 7th time in the last 8 seasons, marking Krasniqi's first silverware. In 2017–18 Albanian Cup, he made 3 appearances as substitute, but did not play in the final, in which the team won 1–0 to Laçi for their first ever trophy. The success also meant that Skënderbeu Korçë had completed the domestic doublefor the first time in history. Krasniqi was projected as a starter in the lineup by the newly appointed manager Orges Shehi ahead of 2018–19 season following the departure of Ali Sowe. He begun the season by playing full-90 minutes in the 2018 Albanian Supercup match against Laçi, being a constant threat to the opposite defenders as the team won 3–2 at Elbasan Arena. His performance was goodly received by the media. He opened his scoring account for the 2018–19 season on 17 September in the 2–0 win at Flamurtari Vlorë.
International career
Krasniqi received his first Albania under-21s call up by coach Alban Bushi for a gathering between 14–17 May 2017 with most of the players selected from Albanian championship.
