10 Best Knife Sharpeners 2025 in the United States

The Original Tumbler Rolling Knife Sharpener is designed for anyone looking to maintain their kitchen knives effectively. Its use of diamond-plated sharpening stones ensures a high-quality sharpening experience, making it ideal for serious chefs or home cooks who value their knives. The sharpener offers two angle options, 15 and 20 degrees, allowing you to cater to different types of blades, which is a significant plus for versatility. The magnetic knife holder simplifies the sharpening process, making it user-friendly for those who may not have much experience with sharpening tools.

One of the standout features is its ability to restore a knife's edge efficiently. The diamond grit is comparable to a 500 whetstone, providing a fine finish that can keep knives cutting like new. The additional stainless steel helix disc helps remove any burrs after sharpening, ensuring a smooth edge.

This knife sharpener is a solid choice for kitchen enthusiasts who want to keep their knives in top condition. Its combination of ease of use, effective sharpening technology, and convenience makes it a practical tool, although users might need a bit of adjustment to master its rolling action.

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 Work Sharp Ken Onion Knife Sharpener is designed for those who want precise and consistent sharpening results. This tool stands out due to its collaboration with renowned knife maker Ken Onion, ensuring a professional-level sharpening experience suitable for various blade types, including knives, scissors, and serrated edges. The use of flexible abrasive belts and electronic speed control makes it versatile and user-friendly, catering to both novices and enthusiasts alike.

The sharpening guides provide accuracy, and the device is easy to operate, making it a great addition to any kitchen or workshop. Additionally, it comes with a 3-year warranty, highlighting the manufacturer's confidence in its durability and performance. However, it is relatively heavy at 2 pounds and might not be the most portable option for those looking to transport it frequently. Its dimensions suggest that it requires ample storage space.

Despite these minor drawbacks, the high-quality construction and comprehensive warranty make it a reliable choice for anyone needing a dependable sharpening tool.