John Alexander Crawford (born May 31, 1983), professionally known as JonFX, is a music producer from St. Andrews, Jamaica. He has worked with dancehall and reggae artists Shabba Ranks, I Wayne, Vybz Kartel, Gyptian, and Akon, as well as the late rapper XXXTentacion.
JonFX produced Gyptian’s Hold Yuh and an album of the same name in 2010. In 2017, he produced Sizzla’s I’m Yours, which entered both the Billboard Reggae chart and Billboard Heatseeker’s chart at No. 3 and No. 4. Crawford also mixed XXXTentacion’s hit Jocelyn Flores, which peaked at number No. 19 on the Billboard Hot 100 and has been certified platinum in the United States.
In November 2018, Arms Around You, a song produced by JonFX, entered the Billboard Hot 100 at number 28; Streaming Songs Chart at number 18; R&B Streaming Songs Chart at number one; and Digital Sales Chart at number 18.
Some of his credits include Gun Session featuring Akon, Young Jeezy, Shabba Ranks, and Vybz Kartel; Nah Let Go, and I Can Feel Your Pain by Gyptian and Baby, a collaboration between Sean Paul, Shabba Ranks, and Erup. He is also credited as a writer and engineer on three tracks, Alone, Part 3, Smash, and I Don’t Even Speak Spanish LOL, from XXXTentacion’s platinum-selling album.
In June 2018, he was appointed governor on the Florida Grammy Chapter board, which he currently serves.