So, you’re on the hunt for the best electric knife sharpener to keep your kitchen knives razor-sharp. With so many options, it’s tough to know where to start—but we’re here to help!

We’ve reviewed a range of electric knife sharpeners, focusing on ease of use, precision, noise levels, and durability so you can choose with confidence.

After more than 40 hours of testing, the Sharpeak 198H-SPK Professional Electric Knife Sharpener claimed our Editor’s Pick for its outstanding performance, sleek design, and user-friendly operation.

Need a sharpener that redefines precision? The Chef’sChoice Trizor XV Knife Sharpener excels at transforming dull blades into ultra-sharp 15-degree edges. On a budget? The AnySharp Hands-Free Safety Knife Sharpener delivers excellent results with minimal effort.

We’ve also flagged a product to avoid, the Three Stage Diamond Electric Knife Sharpener with 100% Diamond Abrasives, sparing you from uneven sharpening and disappointing performance.

Whether you’re a home cook or a professional, this guide covers everything—from professional-grade options to affordable, reliable tools. Read on to discover the best knife sharpener and ensure your knives are always ready for any culinary challenge!

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Features That Define the Best Electric Knife Sharpeners

When shopping for the best electric knife sharpener in the UK, it's essential to have clear expectations. A good electric knife sharpener should deliver consistent, precise results and make maintaining your knives effortless. Here’s what to look for:

Features That Should Be a Given

1. Three-Stage Sharpening System: This system includes coarse, fine, and polishing stages to ensure a razor-sharp edge every time.
2. Universal Compatibility: Should work with a wide range of knives, including straight-edge, serrated, and high-carbon blades.
3. Durability: Long-lasting abrasive materials, such as diamond or ceramic, that resist wear and maintain performance.
4. Ease of Use: Simple, intuitive controls and clear instructions for hassle-free operation.
5. Safety Features: Non-slip bases or secure suction to prevent accidents during use.

Features That Are the Norm to Look Out For

1. Pre-Set Sharpening Angles: Look for sharpeners with pre-set angles, typically 20° or 15°, to achieve precise and consistent results every time.
2. Quiet Operation: Quiet operation is essential for a more comfortable user experience, especially in busy kitchens or shared spaces.
3. Overheating Protection: Overheating protection safeguards both the motor and the blade during extended use.
4. Compact Size: A compact design is crucial for convenient storage, especially in kitchens with limited counter or drawer space.

Design and Build Quality

A good electric knife sharpener should not only perform well but also feature robust and practical construction.

• Materials: Look for high-quality, durable materials like stainless steel, ABS plastic, or reinforced polymers.
• Compact Footprint: A sleek, lightweight design that fits seamlessly on a kitchen counter or in storage.
• Stable Base: Rubber feet or suction bases ensure the sharpener stays secure during operation.
• Aesthetics: While not essential, a modern and stylish design can complement your kitchen's look.

Extra Perks to Look For in a Knife Sharpener

Some electric knife sharpeners come with bonus features that enhance usability and value:

1. Adjustable Sharpening Angles: Customisable settings for different blade types.
2. Sharpening Guides: Flexible spring guides to ensure accurate positioning.
3. Debris Collection System: Built-in trays to collect metal shavings for easy cleanup.
4. Multi-Functionality: Ability to sharpen scissors, cleavers, or speciality knives.
5. Warranty: A strong warranty (1-3 years) indicates manufacturer confidence and provides peace of mind.

By focusing on these expectations, you’ll ensure you invest in a sharpener that meets your needs and enhances your kitchen experience.

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Editors Pick

Sharpeak 198H-SPK Professional Electric Knife Sharpener

We tested the Sharpeak 198H-SPK Professional Electric Knife Sharpener, and it truly stands out for its ease of use, precision, and efficiency.

Key Features

• Three-Stage Sharpening System: The coarse, fine, and ceramic slots transform dull blades into razor-sharp tools. Each slot performs a specific function—reshaping, honing, and polishing edges for precision.
• Quiet and Efficient Operation: The sharpener runs quietly thanks to its high-quality motor and precision design, delivering excellent results with minimal noise.
• High-Quality Diamond Wheels: Durable diamond wheels sharpen knives effectively without overheating, ensuring consistent sharpness with minimal material removal.
• User-Friendly Design: The standard 20-degree angle and intuitive system make professional results easy to achieve.
• Compact and Durable: Its sleek profile combines style and functionality, fitting neatly into small spaces.

The Sharpeak 198H-SPK Professional Electric Knife Sharpener impressed us with its efficient performance and user-friendly design. It handles both modern and older knives with ease, consistently delivering razor-sharp results in just minutes.

The three-stage sharpening system (coarse, fine, and ceramic) is intuitive and ensures precise, polished edges every time.

We particularly appreciated its quiet operation (a rare feature for electric sharpeners), as well as its high-quality diamond wheels, which sharpen effectively without damaging blade hardness. Its sleek, compact design fits seamlessly into any kitchen and combines style with functionality.

If we had to mention a drawback, it’s that the sharpener is best suited for standard 20-degree angles, which may not accommodate all speciality knives. However, for everyday and high-quality chef’s knives, it’s exceptional.

Overall, this is a professional-grade tool that simplifies knife maintenance and delivers outstanding results with minimal effort. An essential addition to any kitchen.

Runner Up

Chef’sChoice 13815000 Professional Electric Knife Sharpener

The Chef’s Choice Trizor XV Knife Sharpener is a game-changer that maintains sharp, durable edges on kitchen knives. We tested it thoroughly, and the results exceeded our expectations. Here’s why we recommend it:

Key Features

• Diamond Abrasives: The 100% diamond abrasive system delivers a razor-sharp edge without damaging the blade.
• 3-Stage EdgeSelect System: This versatile system accommodates different cutting needs, from slicing vegetables to carving meat.
• Precision Edge Transformation: It converts traditional 20-degree edges into ultra-sharp 15-degree edges, enhancing knife performance.

We found the Chef’sChoice Trizor XV Compact Knife Sharpener to be an exceptional tool for maintaining razor-sharp knives. Its patented flexible spring guides make sharpening straightforward, and with clear instructions, we achieved professional results quickly (even on serrated knives).

The three-stage process—from bevel creation to edge polishing—is impressively effective, delivering a flawless, ultra-sharp finish every time.

This sharpener is versatile, working seamlessly on European and Japanese-style knives, and its 100% diamond abrasives ensure durability without damaging the blades. It even revived older knives, making them sharper than when they were new—a standout feature in our experience.

While it’s an investment, and using the proper technique takes a bit of learning, the results are absolutely worth it. If you value precision, ease, and durability in knife maintenance, we highly recommend the Trizor XV.

It’s a reliable addition to any kitchen, ensuring your knives are always at their best.

Budget Pick

AnySharp Hands-Free Safety Knife Sharpener

The AnySharp Hands-Free Knife Sharpener is a compact, practical tool that simplifies knife sharpening for any home cook. We’ve tested it extensively, and its effectiveness and ease of use are impressive.

Key Features

• Versatile Sharpening: It handles nearly all types of knives, including hardened steel and serrated blades like bread knives. However, it's less effective on finely serrated edges.
• Pre-Set Angle: The sharpener is pre-set at a 20-degree angle, providing a consistent, razor-sharp edge without requiring special skills or effort.
• PowerGrip Suction Base: The suction cup securely attaches to smooth surfaces, allowing for safe, hands-free use.
• Compact Design: Its small size makes it easy to store in a drawer or even attach to a fridge or tiled wall for convenience.

We found the AnySharp Knife Sharpener to be an impressive and practical addition to our kitchen. It’s incredibly effective at restoring sharp edges with just a few light strokes, making dull knives razor-sharp in no time.

The PowerGrip suction base is a standout feature—it securely attaches to smooth surfaces, providing safe, hands-free use (a game-changer for safety and convenience). Its compact design fits easily into a drawer or attaches to a wall, saving valuable counter space.

However, it’s worth noting that the sharpener removes material quickly. While this is efficient for most knives, it may not be the best choice for high-end or specialized blades requiring more precision.

Overall, the AnySharp is a must-have for any home cook. Its ease of use, versatility, and excellent results make it a reliable and affordable solution for maintaining sharp, efficient knives in any kitchen.

Best Adjustable Pick

LIHUACHEN M2 Professional Electric Knife Sharpener

The LIHUACHEN M2 Professional Electric Knife Sharpener is a practical and efficient tool for keeping your blades in excellent condition. Here's what we experienced during our testing:

Key Features

• Adjustable Sharpening Guide: Offers a 15° to 30° range for sharpening various blades like kitchen knives, pocket knives, and scissors with precision.
• Variable Speed Motor: Adjustable speeds suit delicate knives or tougher blades for efficient sharpening.
• Abrasive Belts: Includes flexible ¾ x 12-inch belts with a wide grit range, perfect for restoring and polishing edges.
• Polishing Tapes: Comes with 25 tapes in various grits (P180 to P1000) to achieve a smooth, refined finish.
• Durability and Design: A lightweight plastic build ensures functionality and compactness, with a UK plug for convenience.

We tested the LIHUACHEN M2 Professional Electric Knife Sharpener and were impressed by its performance and versatility. It quickly delivered sharp, precise edges on several kitchen knives, saving us significant time compared to manual sharpening methods.

The adjustable sharpening guide (15° to 30°) and variable speed motor provided remarkable control, making it suitable for a wide range of blades.

The high-quality abrasive belts and included polishing tapes (25 in total) helped achieve a smooth, polished finish, adding a professional touch to our knives. However, we noticed a minor drawback—careful cleaning of the guides is essential to prevent scratches caused by dislodged grit.

Despite this, the LIHUACHEN M2 stands out for its convenience, efficiency, and affordability. Its compact design and versatility make it a must-have tool for anyone looking to maintain their knives with ease and precision. A fantastic choice for the price!

Most Versatile Knife Sharpener Pick

Wüsthof Easy Edge Electric Knife Sharpener for All Knives

The Wüsthof Easy Edge Electric Knife Sharpener is a reliable tool for maintaining your knives’ sharpness with minimal effort. We tested it (with the paper cutting test) and found it straightforward to use, with intuitive controls and an efficient design.

Key Features

• Three sharpening functions: The sharpener offers shaping, sharpening, and fine grinding, all accessible with one-touch operation. This makes it incredibly easy to achieve professional-level results at home.
• Integrated blade guide: Ensures the right angle every time, reducing guesswork and making the process consistent.
• Versatile sharpening: It works with just about any knife, and an optional upgrade set accommodates Asian-style knives with specific sharpening angles.
• Comprehensive setup: Comes equipped with four sanding belts (coarse to ultra-fine), a dust extraction system, and replaceable guides for durability and ease of use.

The Wüsthof Easy Edge Electric Knife Sharpener impressed us with its intuitive design and exceptional performance. It automatically adjusts sharpening cycles for precision, making it effortless to restore dull blades or maintain razor-sharp edges.

The included sanding belts (ranging from coarse to ultra-fine) cater to various sharpening needs, ensuring versatility. We also found the safety mechanism—which stops the machine if too much pressure is applied—both practical and reassuring.

While longer blades may require multiple cycles for optimal sharpness, the results are undeniably worth the effort. Regular maintenance, such as cleaning or replacing belts, is necessary to keep it operating smoothly, but this is a small trade-off for its excellent results.

Overall, this compact and efficient sharpener is a fantastic alternative to manual tools like whetstones or rods. Whether for casual cooks or kitchen enthusiasts, it’s a reliable addition to any home that values perfectly sharpened knives.

One to Avoid

Three Stage Diamond Electric Knife Sharpener with 100% Diamond Abrasives

The Three Stage Diamond Electric Knife Sharpener initially seems promising, with its multiple sharpening stages and 100% diamond abrasives. We were impressed with the quiet operation (less than 65 dB) and features like the built-in debris collector for easy cleanup.

The guided 15° sharpening angle also stands out as a thoughtful design choice. However, our experience revealed significant drawbacks. The motor struggles under pressure, slowing down noticeably when sharpening even lightly applied knives.

This impacts its overall effectiveness, as consistent sharpening is challenging. Additionally, the abrasive wheels don’t make equal contact with both sides of the blade, leading to uneven results—particularly disappointing during the polishing stage, where one side barely gets honed.

While the sharpener does deliver on some fronts, like ease of use and quiet operation, these positives are overshadowed by its inconsistent performance and questionable durability. For a premium price, we expected more reliability and better sharpening results.

In the end, while the sharpener has potential, its flaws make it difficult to recommend. If precision and durability are top priorities, we suggest exploring other options. This one falls short of expectations. It’s not worth the investment for consistent knife maintenance.

How We Tested and Selected the Best Electric Knife Sharpeners in the UK

Choosing the best electric knife sharpener requires more than just running a few blades through and calling it a day. We meticulously evaluated each sharpener’s performance, usability, and design to ensure we recommend only the best. Here’s how we did it:

Performance Testing

We began by measuring the sharpness of the blades before sharpening to establish a baseline. Each sharpener was tested with dull knives made from various materials, such as stainless steel and high-carbon steel, to assess its ability to restore edges.

Both straight-edge and serrated knives were included to determine compatibility and results. After sharpening, we evaluated the edges for precision, burrs, or unevenness by slicing through delicate materials like paper and tomatoes.

Consistency was a priority, so we tested multiple knives to ensure each sharpener could deliver repeatable results.

Usability and Design

Next, we assessed how intuitive each sharpener was to use. Controls and instructions were checked for clarity, and we rated how beginner-friendly the sharpening process felt. Noise levels during operation were measured to see if the sharpener caused unnecessary disruptions.

Safety features, such as non-slip bases and blade guides, were evaluated to minimise risks. Additionally, we noted how easy each model was to set up, operate, and clean, particularly focusing on debris collection systems.

Build Quality and Durability

Materials used in construction were inspected for quality and longevity, with a focus on components like abrasive wheels and motor parts. We performed stress tests by running the sharpeners continuously to check for motor reliability and overheating.

Long-term durability was gauged by repeatedly sharpening various knives and monitoring for wear and tear.

Versatility

To determine adaptability, we tested each sharpener’s ability to accommodate adjustable angle options, such as 15° and 20°, suitable for European, Japanese, and custom blades. Multi-functionality was also considered, including whether the sharpener could handle tools like scissors or cleavers.

Extra Features

We explored additional features like adjustable angles, debris collection trays, and compact storage solutions. The convenience of corded versus cordless options was noted, and innovative touches were examined to see if they genuinely added value.

Value for Money

Finally, we compared each sharpener’s price against its performance, durability, and features to ensure it offered good value. Warranty duration and the quality of customer support were also factored in, providing insights into long-term reliability.

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Frequently Asked Questions

Is an Automatic Knife Sharpener Better Than a Manual?

An automatic knife sharpener is often better than a manual one for convenience and ease of use. It simplifies the sharpening process, requires minimal effort, and delivers consistent results.

However, manual sharpeners offer more control, making them better suited for specialised knives or those requiring the correct angle.

Are Electric Knife Sharpeners Worth It?

Electric knife sharpeners are worth it for anyone seeking a quick and efficient way to maintain sharp blades. They save time compared to manual methods and provide professional-level results. While they may be more expensive initially, their ease of use and consistent performance often justify the cost.

How Long Will an Electric Knife Sharpener Last?

An electric knife sharpener can last several years with proper use and maintenance. The lifespan depends on factors such as build quality, frequency of use, and how well the sharpener is cared for. High-quality models typically offer better durability and performance over time.

Can Electric Knife Sharpeners Ruin Knives?

Electric knife sharpeners can ruin knives if used improperly or excessively. Running blades through too often or at the wrong angle can remove too much material, reducing the blade’s lifespan. Following the manufacturer’s instructions and using the correct settings minimises the risk of damage.

How Many Times Do You Run a Knife Through an Electric Sharpener?

You typically run a knife through an electric sharpener three to five times per stage, depending on the blade's dullness and the sharpener’s instructions. Over-sharpening should be avoided to preserve the blade’s edge and overall integrity. Always refer to the user guide for specific recommendations.

Is It Better to Sharpen a Knife Wet or Dry?

It is better to sharpen a knife wet, as using water or oil helps reduce friction and prevents overheating, which can damage the blade. Wet sharpening also helps flush away metal particles, ensuring a smoother sharpening process and extending the life of both the blade and the sharpening tool.

Is It Better to Push or Pull When Sharpening a Knife?

It is better to pull when sharpening a knife, as this technique allows you to maintain consistent pressure and follow the natural curve of the blade. Pulling also helps reduce the risk of uneven sharpening or damaging the edge, resulting in a smoother, more precise finish.

What Knife Blade Is Easiest to Sharpen?

The easiest knife blade to sharpen is one made of high-carbon steel with a straight edge. High-carbon steel is softer than stainless steel, allowing for quicker sharpening, while straight edges provide consistent contact with sharpening tools, making the process simpler and more effective.

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Final Word

We hope our guide to the best electric knife sharpeners in the UK has helped you find the perfect fit for your kitchen. While there are many great options, the Sharpeak 198H-SPK Professional Electric Knife Sharpener stands out as our top pick.

Its ease of use, precision, and sleek design make it an excellent addition to any kitchen, consistently delivering razor knife sharp results.

Most of the sharpeners we reviewed are solid choices, but one to avoid is the Three Stage Diamond Electric Knife Sharpener. It struggles with uneven sharpening and lacks durability, making it difficult to recommend.

Are you ready to upgrade your knives with one of our top picks, or do you still need time to decide? Share your thoughts in the comments below—we’d love to hear which sharpener caught your eye!