Raducanu missed much of 2023 after operations on both wrists and an ankle but will return to Auckland with a protected ranking a year after she exited the tournament in tears having rolled her ankle during a second round match.
"Yeah, I feel reborn in a way. I feel fresh, I feel ready, I feel happy and I feel excited," she told reporters on Saturday.
Raducanu is now ranked 298th in the world, having slipped from a career high number 10 in July 2022.
She missed out on a wildcard for the Australian Open which begins on January 14th and will have to take a similar path as her 2021 Flushing Meadows run, when she became the first player in the Open Era to win a major after coming through qualifying.
She said she no longer felt weighed down by the expectations that followed her New York triumph.
"Overall, I'm feeling positive and lighter. I think that for two years after the US Open I felt maybe a bit more weight on my shoulders, but now I feel completely fresh," Raducanu said.
Raducanu has not crossed the second round of a Grand Slam since her Flushing Meadows triumph and has come in for her fair share of criticism but said she was happy to be fit and ready to compete again.
"It's nice not to have three casts on you," she added. "So just moving around and showering, (doing) everything you really appreciate, being able to do your own hair, stuff like that.
"I'm just happy to be back playing."
The Auckland Classic will begin on Monday.
