10 Best Knife Sharpener 2025 in the United States

The Chef’sChoice 15 Trizor XV EdgeSelect Knife Sharpener is designed for those looking to keep their kitchen knives in top shape. One of its main strengths is its ability to convert standard 20-degree knife edges to a sharper 15-degree edge, enhancing cutting performance.

The use of 100% diamond abrasives in its three sharpening stages ensures durability and effectiveness, making it suitable for both straight and serrated blades. The three-stage system is versatile, catering to different sharpening needs, and the advanced angle guides make the process easy for anyone to use, even if they are not experienced with knife sharpening.

Additionally, it only takes about a minute for first-time sharpening, which is quite fast.

The Original Tumbler Rolling Knife Sharpener is a handy tool for anyone looking to maintain the sharpness of their kitchen knives. It features diamond-plated sharpening discs, which are known for their effectiveness in restoring a knife's edge, making it a great choice for those serious about their culinary skills. This sharpener allows for 15 and 20-degree angle sharpening, accommodating both traditional and specialty blades. The ability to choose the sharpening angle is a significant advantage, ensuring users can get the precise edge they need for different types of knives.

The design includes a simple magnetic holder that secures the knife in place, which makes the sharpening process easier and safer. Weighing just 1.4 pounds and compact in size, it’s also quite portable, so whether you're at home or traveling, you can keep your knives in top condition without hassle.

While the Tumbler sharpener has many strengths, it may require a bit of practice to master the rolling technique, especially for users who are new to knife sharpening. Additionally, this sharpener is best suited for kitchen knives and may not work as effectively on other types of blades, such as serrated or specialty knives, which could limit its versatility. If you’re a home cook or a professional chef who values sharp knives and seeks a user-friendly sharpening solution, The Original Tumbler Rolling Knife Sharpener could be a great addition to your kitchen tools, and with some practice, you’ll get the most out of its features.

The RazorSharp™ Knife Sharpener is a versatile tool designed to sharpen a wide range of knives, including kitchen and professional chef’s knives. It features an adjustable angle guide that lets you set the sharpening angle anywhere between 14 and 24 degrees, making it easier to get the perfect edge for different types of blades. The sharpening stones are diamond-coated ceramic, which is a strong abrasive material that helps maintain the sharpener's effectiveness and prolongs the life of your knives.

This sharpener offers three stages—sharpening and polishing—so it can restore dull edges and refine them smoothly. Safety is considered with a non-slip rubber grip and a sturdy handle that keep the sharpener steady while in use. Weighing just under 9 ounces and sized compactly, it’s reasonably portable for home use but not necessarily designed for frequent travel.

Thanks to the adjustable knob and clear angle guides, it is user-friendly, though beginners might need a little practice to find the right angle and get consistent results. This sharpener represents a solid choice for anyone looking to maintain their knives at home with professional-level precision, especially if you appreciate an adjustable system and durable abrasive materials.