Yes, it is possible to use a mini-fridge without a freezer section. Many mini-fridges are designed without a separate freezer compartment, and they are commonly referred to as "single-door" or "all-refrigerator" models.
These types of mini-fridges are typically used for storing perishable food items and beverages at cool temperatures, but they do not have a freezer section to freeze items like ice cream, frozen meals, or ice cubes. If you don't require freezing capabilities and just need refrigeration, a mini-fridge without a freezer section should serve your needs perfectly.
Without the freezer, these mini-fridges often have more space for refrigerated items, making them suitable for small living spaces, dorm rooms, offices, and similar environments where space is limited.
Keep in mind that without a freezer section, you won't be able to store frozen foods, so you may need to use alternative methods like using ice trays for making ice cubes if you require ice. Otherwise, if you need freezing capabilities, you'll need to consider a different type of mini-fridge with a built-in freezer or a larger refrigerator with a separate freezer compartment.