Place a roll of toilet paper in the refrigerator, and you’ll be amazed at the results.

Newspaper: 

Crumple newspaper, place it in the fridge, sprinkle water, and let it sit for a couple of days to eliminate strong odors.

If you’re in the market for a new refrigerator, consider one with a UV light purifier. This built-in solution uses ultraviolet light to destroy bacteria and mold, providing an effective means of deodorizing the fridge without relying on other methods.