Feuerstein has stated that during his childhood, hip-hop was an escape for him. He would record songs on a
karaoke machine, recording instrumentals on one microphone and his rhymes on the other. On November 29, 2010, Feuerstein independently released his debut studio album
Moments under his real name. On August 2, 2011, he released his debut single "Alone". The song featured songwriter and producer
Tommee Profitt and Brooke Griffith. In 2012, Feuerstein's work attracted the attention of Xist Music. On May 2, 2012, he released his debut extended play ''I'm Free
with production work from Profitt. The tracklist consisted of nine songs including "Alone". The EP also included an exclusive version of "Alone" featuring Sean Simmonds. Xist teased for the release of the self-titled extended play NF, but Feuerstein parted ways with the label after a dispute and the production of NF'' was postponed. Despite this, NF featured a song, "Only One", featuring Shuree Williams, in the label's compilation album,
Move Vol 1. In 2013, Feuerstein appeared on
Christian hip-hop artist
Flame's album
Royal Flush on the track "Start Over". He released a single, "Beautiful Addiction", on November 4, 2013. The song again featured an appearance from Profitt, as well as vocals from Brady Schmitz and Danielle Swift. Feuerstein signed with
Capitol Christian Music Group in 2014, before the release of the EP
NF. This extended play was reviewed by Jesus Freak Hideout and New Release Tuesday, receiving two three-and-a-half-star reviews.
CCM Magazine reviewed the EP and awarded it four stars. His first studio album,
Mansion, was released on March 31, 2015, by Capitol CMG. "Intro", the lead single from
Mansion, is included in the video game
Madden NFL 16. NF's songs have been played on
ESPN,
VH1,
Showtime,
NBC's
Chicago P.D.,
Grimm,
Shades of Blue, a trailer for an
Apex Legends update and in the season finale trailer of
Fox's
Empire. His music video for "Intro" premiered on MTV.com's homepage, and the video has also appeared on
MTVU,
AbsolutePunk,
2DOPEBOYZ, Raps & Hustles and The College Dropouts. In 2015, his features on
TobyMac's
This Is Not a Test track "Til the Day I Die" and Marty's
Marty For President track "The One With My Friends" gained him fame and recognition in the Christian hip-hop genre. NF's songs "I Just Wanna Know" and "Real" were released on April 8, 2016, and on April 22, 2016, respectively, as singles from his second studio album
Therapy Session, released on April 22, 2016. "Warm Up" was released as a non-album single on September 8, 2016. In 2017, NF collaborated with rapper
Futuristic on the song "Epiphany", which enhanced his career in the secular hip-hop industry. On October 6, 2017, NF released his third studio album,
Perception. The album debuted at No. 1 on the
Billboard 200, making it his first chart-topping album and the second artist in 2017 to release a No. 1 album without having charted on the
Hot 100. The next week, "
Let You Down" became his first single to chart on the Hot 100, debuting at 87. It became a
sleeper hit, taking 17 weeks to reach its peak at No. 12. After the success of
Perception, he announced he would begin touring mid-2018 with rappers
Logic and
Kyle. It was certified platinum—selling over 1,000,000 units—by the
RIAA on January 11, 2019. His song "Destiny", from
Perception, is included in the video game
MLB The Show 18. In 2018, NF released the non-album single "
No Name" on January 19. Later, he would release the song "
Why", the first single preceding his fourth studio album. On May 30, 2019, he released "
The Search", the album's title track. He would later release two more singles, "
When I Grow Up" on June 27 and "
Time" on July 12.
The Search was released on July 26, 2019. On December 3, 2019, Feuerstein released the single "
Paid My Dues", as well as a music video for the song. In October 2020, NF returned with the non-album single "Chasing_(Demo)", after sharing a snippet of it online. The song features 15-year-old Australian fan Mikayla Sippel, who uploaded a cover of it, which inspired NF to officially release the song after being "blown away" by her version. On February 18, 2021, NF released the single "
Clouds", alongside a music video, and announced his mixtape of the same name, which was scheduled for a March 26, 2021, release. The mixtape included "Paid My Dues", as well as guest appearances from rappers
Hopsin and
Tech N9ne, followed by a third single, "
Lost" featuring Hopsin, released on March 11, 2021. On March 26, 2021,
Clouds (The Mixtape) was released. After a year-long absence from music, NF released a single "
Hope" on February 16, 2023, announcing his fifth studio album of the same name. He released another single entitled "
Motto" on March 9, 2023.
Hope was released on April 7, 2023, along with the music video for the single "
Happy". On October 30, 2025, after a two-year hiatus, NF announced his third extended play,
Fear, which released on November 14, 2025. The release included music videos for the songs "
Fear" and "Washed Up". == Artistry ==