10 Best Knife Sharpeners 2025 in the United States

The 4-in-1 Kitchen Knife Sharpener by Kitchellence is a versatile and user-friendly tool designed to keep your knives in top condition. It features a 3-stage sharpening system that includes a diamond sharpening rod for repairing and straightening damaged blades, a tungsten steel rod to restore the blade’s V-shape, and a ceramic rod for fine polishing. This comprehensive approach ensures your knives are as good as new with minimal effort.

The sharpener is made from high-quality ABS plastic, which adds to its durability and longevity. An ergonomic handle allows for comfortable use, whether you are right or left-handed, and the non-slip base provides added stability. A cut-resistant glove is included for extra safety during the sharpening process, making it an all-around safe option for any kitchen.

The sharpener is lightweight and compact, weighing just 6.3 ounces and measuring 8.3 x 2.2 x 3.4 inches, making it highly portable and easy to store. While it does not feature adjustable angle guides, the ease of use simplifies the sharpening process significantly. This knife sharpener is ideal for home cooks looking for a straightforward and effective solution to maintaining their kitchen knives.

The Chef’sChoice 15 Trizor XV EdgeSelect Professional Electric Knife Sharpener is a solid choice for anyone looking to maintain their kitchen knives with ease. One of its standout features is its ability to convert traditional 20-degree knife edges into sharper 15-degree edges, which can greatly enhance cutting performance. The three-stage sharpening system is versatile, utilizing 100% diamond abrasives for sharpening, honing, and polishing, making it effective for both straight and serrated blades. Users appreciate the advanced spring guides that help maintain the correct angle during sharpening, ensuring a consistent and accurate edge every time.

Ease of use is another major plus; the machine works with a simple on/off switch and can sharpen knives in about a minute, while resharpening takes only about 10 seconds. This makes it an excellent option for home cooks who want quick results without sacrificing quality. The design is relatively portable, weighing just over 4 pounds, which allows for easy storage or movement within your kitchen.

There are some drawbacks to consider. While it is effective, the noise level of 65 to 75 dB might be bothersome in quieter environments. Additionally, some users may find that the electric sharpener is less hands-on compared to manual sharpeners, which could be a downside for those who prefer a more traditional sharpening experience.

The Longzon 4-in-1 Knife Sharpener is a versatile tool designed to sharpen a variety of kitchen and pocket knives, as well as scissors. It features four sharpening stages, using tungsten steel and ceramic materials to achieve different levels of sharpness. The inclusion of a cut-resistant glove and a non-slip base enhances safety during use, making it user-friendly even for those who may not be familiar with knife sharpening.

Its compact and sleek design allows it to fit neatly in your kitchen without taking up much space, adding a touch of sophistication to your countertop. Weighing only 7.1 ounces, it is highly portable and easy to store. However, it is important to note that while it effectively sharpens most types of blades, some users might find it less effective on very hard or specialized knives.

The Longzon knife sharpener is particularly suitable for anyone looking to maintain their kitchen knives easily and safely, without needing professional tools or skills.