Best Plastic Knife Sharpeners of 2025

The AnySharp Knife Sharpener is a must-have for any kitchen. It sharpens hardened steel and chef’s knives with ease, ensuring they maintain a super sharp cutting edge. You don’t need professional skills, as it is pre-set at a 20-degree angle, allowing you to achieve perfect results with just a few strokes. The innovative PowerGrip suction feature secures the sharpener to any flat surface, enabling you to focus entirely on getting your knives sharp without worrying about stability. This tool even sharpens serrated knives, making it an essential addition to your cooking routine.

The Wellehomi KSR02 Sharpener is designed with a professional two-stage sharpening system, making it easy for you to restore your dull knives. The coarse slot is perfect for fine grinding and sharpening, while the fine slot polishes blades to a sharp finish. Its ergonomic and non-slip handle ensures a safe grip, allowing you to sharpen your knives confidently. Additionally, its durable materials, including ABS plastic and stainless steel, guarantee longevity and easy maintenance, making it an essential tool in your kitchen.

The Fiskars XSharp Sharpener is designed for both axes and knives, featuring a ceramic grind stone that ensures efficient sharpening outdoors. You can easily adjust the sharpening angle by pressing inside the cutting groove, making it user-friendly for both right and left-handed individuals. With automatic blade guidance, you simply slide the blade back and forth for perfect results. The strong outer body, complete with non-slip pads, provides stability during use, allowing you to sharpen with confidence.

The KitchenIQ Knife Sharpener is an essential tool for keeping your kitchen knives in top condition. With its carbide blade for coarse sharpening, you can easily revive dull or damaged knives, while the ceramic rod allows for fine polishing and quick touch-ups. The patented edge grip design lets you use the sharpener on the edge of your counter, protecting both your blades and surfaces. Its compact size means it can be conveniently stored, making it perfect for kitchens with limited space.

The Ooputo Knife Sharpener features a convenient three-stage sharpening system, allowing you to restore dull knives in just 3-5 seconds. Whether you are right or left-handed, you can easily sharpen your knives by drawing them through the slots. Its ergonomic grip and non-slip silicone base provide stability, ensuring safe sharpening without the risk of injury. Additionally, the detachable grinding head is dishwasher safe, making cleaning a breeze for you.

The UILYNIU Knife Sharpeners are a set of two portable tools designed for both kitchen and outdoor use. Made from sturdy tungsten carbide steel blades, they ensure your knives remain sharp and ready for action. The ergonomic handle provides a comfortable grip, making it easy for anyone to use, whether you're right or left-handed. With a protective design, you can sharpen your knives safely, preventing any accidental cuts while maintaining maximum control. Simply slide your dull knives through the sharpener to restore their edge effortlessly.

The Constprog Knife Sharpener is designed for quick and efficient sharpening of various types of knives and scissors. With its strong suction base, you can securely attach it to any smooth surface, ensuring safety during use. You’ll appreciate the ability to sharpen dull knives in just 3 seconds with minimal effort, making meal prep faster. Made from high-quality materials, this compact sharpener is both lightweight and portable, perfect for taking on camping trips or barbecues.

The LalolaGourmet Knife Sharpener features a unique 3-step sharpening system that helps you restore dull knives to their original sharpness. The first slot repairs damaged blades, while the second sharpens them to perfection. Finally, the third groove hones for a clean finish. Additionally, the included stainless steel cutting finger guard ensures your safety while cooking, allowing you to focus on your culinary skills without worry. The non-slip base provides stability, giving you comfortable control as you sharpen your knives.

The Shanbye Knife Sharpeners are made from eco-friendly plastic and stainless steel, ensuring durability for long-term use. With a compact size of 9.1*3cm, they are easy to carry, making them perfect for outdoor activities or kitchen use. The non-slip soft base provides stability while sharpening, allowing you to focus on achieving a sharp edge. Plus, the humanised handle lets you sharpen knives effortlessly with one hand, enhancing your convenience in the kitchen or on the go.

The GVSAVY Knife Sharpener is a versatile tool that enhances your cooking and outdoor experiences. Its sturdy tungsten carbide steel blade ensures durability, making it reliable for sharpening various types of knives. The safety design features a protective plastic handle, allowing you to grip it securely while protecting your hands from accidental cuts. Additionally, this sharpener is incredibly easy to use; simply slide your dull knives across it a few times to restore their sharpness, ensuring your food is prepared with precision.