Best Electric Knife Sharpeners 2025

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Last Updated - 18.07.2025

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01

YOORLEAY

YOORLEAY 5-in-1 Electric Knife Sharpener - 3 Rotation Speeds Adjustable Electric Knife Sharpener, Suitable for Knives with Straight Blade, Serrated Knives & Scissors, Grey

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9.9

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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SUITABLE FOR A VARIETY OF KNIVES Our electric knife sharpeners are suitable for different types of straight blade knives (chef's knife, forged knife, cleaver knife, sushi knife, etc), serrated knives, ceramic knives, scissors (kitchen scissors, pruners, axes, etc.). In addition, a removable ceramic polishing rod is included for grinding specially shaped tools, which can also be used for polishing.
SAVES TIME AND EFFORT Simply sharpen on each slot 3-5 times to restore the sharpness of the knife.
Premium Quality & Reasonable Design Electric knife sharpeners for kitchen knives with professional precision sharpening slot design, create incomparably durable and sharp blade, bring you an amazing knife sharpening effect.
INNOVATIVE DESIGN The electric knife sharpener has 3 rotation speeds to choose from: LOW, MEDIUM and HIGH. Choose the appropriate speed according to the type of knife. 5 in 1 slot design, compared to ordinary sharpeners, this device is suitable for a wider variety of knives and meets more sharpening needs.
EASY TO USE 5 in 1 knife sharpening system is very convenient and fast. There are 3 rotation speeds you can choose from. You just need to insert the knife into the slot and pull it in one direction.

95,99 €
02

Austein

AUSTEIN® Diamond Electric Knife Sharpener TG2202 - The 3 Phase Knife Sharpener with 20 Degrees and Magnetic Chip Collector

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9.8

Exceptional

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Safe to use. Order Austein knife sharpener now at an introductory price.
Perfect in the use: Grinds effortlessly and quietly thanks to the powerful electric motor. In addition, the electric diamond knife sharpener is equipped with a magnetic chip collector that makes cleaning much easier.
Optimal sharpening - Thanks to monocrystalline diamond grinding discs. These work more homogeneously and last longer than regular knife sharpeners. This makes the grinder perfect for beginners and professionals.
Lock with press - The electrically driven 3-stage process coarse grinding, fine grinding and polish restores the sharpness of your knives in no time. Experience a professional sharpening experience in your kitchen.
For all measurements with smooth grinding - Thanks to the fixed grinding angle of 20 degrees, which ensures a sharp and durable secondary grinding. In addition, the product comes with German instructions and customer service via email.

64,99 €
Value for Money

03

Xzayy

Professional Electric Knife Sharpener with 100% Diamond Abrasives and Precision Angle Guides for Working with Straight Edges and Ceramic Knives in the Kitchen Sharp

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26% Off
9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Please note: In order to ensure that the products received by customers can be used normally, we do knife tests before leaving the factory to test the normal use of the knife sharpener. Therefore, slight chipping of the tool at the bottom is normal and not a by-product of our sales.
HIGH QUALITY 3 STAGE KITCHEN KNIFE SHARPENER - Stages 1 and 2 of the knife sharpening system use 100% diamond abrasive to sharpen and sharpen the edges; Level 3 uses safe grinders to polish and finish the blade, making your knife surface look new. Magnetic knife shavings collection for quick and easy cleaning.
FULL LENGTH EDGE & ELASTIC CONSTANT FORCE DESIGN - Flexible spring guides keep the blade at the ideal angle during use, resulting in more durable, arched edges along the entire length of the blade. Elastic design with constant force for even and powerful sharpening. Each blade is equipped with a safety guide rail to safely protect your blade surface from scratches.
Easy to use - The knife sharpener is equipped with a simple on/off switch; the first sharpening takes about 30 seconds; resharpening takes about 10 seconds. 4-8 sec. For metal knives and 6-10 sec. For ceramic knives. Note: The knife should be evenly retracted immediately after inserting into the sharpener. Do not push forward.
15 DEGREE EDGES & ENERGY SAVING MOTOR - This electric sharpener gives 15 degree knives an ultra-sharp edge and easily converts 20 degree knives into a finer 15 degree edge for easier cutting. German imported motor, strong performance, but more energy efficient.
100% Diamond Abrasive - This versatile straight edge serrated ceramic knife sharpener uses proprietary diamond abrasives, the hardest natural substance to sharpen edges quickly and easily; Works at 60dB to 80dB. Diamond grinding material for metal and ceramic knives.

58,99 € 79,99 €(26% Off off)
04

Shuniu

Professional Electric Knife Sharpener with 100% Diamond Abrasives and Precision Angle Guides, Suitable for Double Ground Knives and Serrated Edges, Fast, Razor Sharp Erge

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24% Off
9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Wide application: suitable for several types of straight blade knives (cold cuts, chef's knives, ceramic knives, paring knives, etc.). There is a magnetic dust drawer at the bottom to collect knife chips. The electric knife sharpener perfectly meets the needs of household knives.
User-friendly operation: Our professional knife sharpener has a 230 V AC motor, which ensures stable performance without overheating. Simply insert the blunt knife at an angle and pull it from the outside to the inside. Sharpen each slot 2-5 times to effortlessly restore the sharpness of your knife.
Professional and safe: the double-layer protection of the housing colour and electroplating, the beautiful and unique appearance design, the powerful motor and the noise reduction design have made the electric knife sharpener. The professional electric knife sharpener has a 15 degree angle guide function and a flexible spring rail, which can automatically adjust the sharpening angle and control precisely.
High-quality diamond abrasive: This electric knife sharpener for kitchen knives uses a proprietary diamond abrasive, the hardest natural substance, for quick and effortless sharpening of edges. Sharpen kitchen and sports knives quickly and economically to a razor sharp edge.
Efficient electric knife sharpener: Three sections with functions for coarse grinding, fine grinding and polishing. Using 100% diamond abrasives, sharpening and grinding levels 1 and 2 the edges efficiently. Level 3 uses resin polishing wheels and finishes the blade, restores your knife to a like-new state. You will get a razor sharp blade in seconds.

48,99 € 64,99 €(24% Off off)
05

SHARPAL

SHARPAL 198H Electric Knife Sharpener - 3-Stage Knife Sharpening System with Diamond, Suitable for Double Ground Knives and Serrated Edge, Fast, Razor Sharp Results, Low Noise

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9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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🏻Three function slots: This SHARPAL electric knife sharpener is equipped with 3 levels to ensure a razor sharp edge on most knives with double grinding and serrated edge. Grinding both blades simultaneously saves a lot of time and ensures that both blades are sharpened equally often. It provides a professional sharpening experience right in your kitchen.
🏻Skill-free and Fast: With its innovative design, this sharpener can sharpen both sides of a double beveled knife edge at the same time, which makes the sharpening process fast and efficient and does not require special skills. Whether you are an experienced chef or a beginner, this sharpener is suitable for all skill levels.
🏻Reliable and durable: The SHARPAL electric knife sharpener has a 3-year warranty and is designed to last. The robust construction and high-quality materials ensure durable and reliable performance.
🏻PRESET SHARPENING SPEED DESIGNS Enjoy the convenience of different sharpening speeds expertly preset to ensure your blades get a razor sharp cutting edge effortlessly. So you can choose the best option for your special knife. Adjust the sharpening process for optimal results.
🏻Noise - Low noise operation: While some electric knife sharpeners can be loud and annoying, this SHARPAL electric knife sharpener works with minimal noise (noise level even below 65 dB), so you can sharpen your knives without disturbing others in the kitchen. It also has a built-in mechanism to catch iron shavings, making cleaning a breeze.
🏻BLADE FRIENDLY DESIGN Thanks to the advanced technology, the blade is not unsolidified with this sharpener, ensuring the longevity and durability of your knives. You can rest assured that your beloved knives are safe during the sharpening process.

59,99 €
06

sharpeak

Sharpeak 198H-SPK Professional Knife Sharpener Electric with 3 Levels, Diamond Discs, Overheating Protection, Quiet Motor, Fast for Kitchen Knives, Electric Knife Sharpening, Professional, Diamond

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9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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sharpeak offers a 3-year warranty and excellent customer service, headquartered in California and branches in Germany and Australia.
Quick, crisper cutting blade: Precision-engineered slots transform blunt knives into extraordinary cutting tools. Coarse diamond knife sharpeners in slot 1 shape and restore edges efficiently, while fine diamond knife sharpeners in slot 2 enhance sharpness by honing the coarse grinding effects. The ceramic V-slot in slot 3 achieves razor sharpness through careful refining, polishing and reworking. This professional knife sharpener offers exceptional performance, ideal for use as an electric knife sharpener.
Modern design of the sharpeak professional knife sharpener has two interconnected parallel shafts that optimise the sharpening process. Precisely calibrated speed differences between coarse and fine slots increase efficiency and accuracy while preserving the life of your knife. The coarse slot reduces speed to prevent over-sharpening, while the fine slot achieves razor sharpness at increased speed. This mechanism makes the electric knife sharpener particularly efficient.
Ideal for style and function: the sharpeak professional knife sharpener is carefully designed with a sleek, linear profile in flawless white and blends effortlessly into any kitchen decoration and gives your culinary room an elegant touch. This artful blend of aesthetics and robustness guarantees durability and reliability, characteristic of a professional knife sharpener.
High quality oil: The sharpeak diamond knife sharpener uses high-quality electroplated diamond discs that exceed commonly used cost-effective grinding discs. Monocrystalline diamond discs do not change the hardness of the knives and maintain their integrity. These diamond knife sharpeners sharpen blades efficiently with precision, minimal material removal and deliver even, controlled and uniform results.
High noise level: Increased noise levels in electrical products can signal deeper problems such as design defects, excessive friction and inferior components. The sharpeak Electric Knife Sharpener stands out by skilfully tackling these problems through precise components, reduced gaps and friction-related noise. With high-quality, quiet bearings and advanced airflow integration, this electric knife sharpener ensures a quiet, user-friendly experience, typical of a professional knife sharpener.
Easy to use: the innovative electric knife sharpener from sharpeak allows the processing of both blade edges in each slot, ensuring efficient, symmetrical sharpening. Unlike most sharpeners, this electric knife sharpener simplifies the process by eliminating the need to remember specific angles and pressures. Its standard 20 degree angle fits most knives and provides impressive sharpness. The intuitive three-stage sharpening system allows everyone to achieve professional results, typical of an electric knife sharpener.

59,99 €
07

Kiseely

Electric Knife Sharpener, 5-in-1 Knife Sharpening System with Straight Blade, Professional Diamond Knife Sharpener for Coarse Sharpening, Repair and Sharpening of Knives (NM9)

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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Versatile comfort: Whether for home use, a street shop or professional chefs in a busy meat market, this electric knife sharpener is versatile and adaptable. It can sharpen different types of knives, including iron and steel blades to meet a variety of scenarios.
Save your time: Our electric knife sharpener meets the basic knife sharpener needs of daily life. It will restore the sharpness of your knives with a considerable sharpening effect in just 30 seconds.
Quiet operation: While some electric sharpeners can be loud and annoying, this electric knife sharpener works with minimal noise level (noise level even below 65 dB), so you can sharpen your knives without disturbing others in the kitchen.
Efficient sharpening: the professional electric knife sharpener is equipped with a simple on/off button, insert the blade diagonally into the sharpening slot, pull the knife back evenly, the angle guide of the knife sharpener tool electrically keeps the blade at the perfect angle, and you will get a brand new sharp blade quickly
Blade-friendly design: with advanced technology, this sharpener does not detemperature the blade and ensures the longevity and durability of your knives. Rest assured that your cherished knives will be safe during the grinding process.

19,99 €
08

Luqixcey

Electric Knife Sharpener, 5 in 1 Knife Sharpening System with Coarse Fine Scissors Sharpening & Sharpening Stone for Efficient Sharpening and Repairing, Diamond Electric Knife Sharpener for Kitchen

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11% Off
9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Multifunctional knife sharpener: This professional knife sharpener is extremely effective and durable and is suitable for straight blade knives, scissors and serrated knives, including those with hardened steel blades. The non-slip rubber base ensures ultimate stability and safety and prevents sharp tools from slipping.
High-quality wear-resistant material: this professional electric knife sharpener is equipped with a high-quality diamond grinding wheel, which has a higher hardness, more wear resistance and a longer service life. The 20W copper motor provides powerful performance, low power consumption and low noise. It not only sharpens knives quickly and efficiently, but also saves a lot of sharpening time.
Electric knife sharpener: This electric knife sharpener is powered by USB and is equipped with a 20 W copper motor, which offers strong performance, low power consumption and low noise. It sharpens the blade finely without it rolling back, making cutting, chopping and cutting more efficient and faster.
Easy to use: with its innovative design, this kitchen knife sharpener is easy to use. Simply insert a blunt knife into the sharpening slot, and the angle guide of the electric knife sharpener keeps the blade at perfect angle. Pull back 2-3 times, and in a few seconds you will have a brand new sharp blade. It effortlessly meets all your sharpening needs in the kitchen.
5-stage grinding slots: The knife sharpener offers 5 grinding slots, including coarse grinding, scissors sharpening, 2 fine grinding slots and a whetstone, which provide a professional sharpening system for most kitchen knives and scissors. It allows coarse grinding, fine sharpening and polishing as needed.

15,99 € 17,99 €(11% Off off)
09

MusyVocay

MusyVocay Electric Knife Sharpener with 100% Diamond, Professional 3-Stage 20 Degree Kitchen Knife Sharpener with Precision Angle Guide for Coarse Sleepers, Repair (Silver)

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8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Versatile Compatibility Our sharpener is suitable for various types of knives, including chef's knives, pointed knives and utility knives. This makes this sharpener ideal for beginners and professionals alike. The product includes a German instruction manual and provides email customer service for a perfect user experience.
Three Stage Grinding System Experience the ultimate experience of knife rejuvenation with our innovative three-stage knife sharpener. The first stage (coarse grinding) repairs worn blades, the second stage (fine grinding) sharpens the blade precisely, and the third stage (polishing) creates a smooth, burr-free surface, so your knives are up to any culinary challenge.
POWERFUL MOTOR & SAFE DESIGN Our sharpener is equipped with a powerful 20 watt motor, which reaches a speed of up to 2800 rpm and provides fast, stable performance. Advanced safety features such as a safety plug, protected blade guidance and a rubber base ensure a safe and stable sharpening experience every time you use - with extremely low noise (below 65 dB).
Easy to use and low maintenance: thanks to the precise fixed grinding angle of 20 degrees, you only need to insert and pull out the knife at the right angle. The removable magnetic chip collector automatically catches metal chips and keeps the work area clean. Important: Never pull the knife back and forth with pressure.
100% Diamond Abrasive Our electric knife sharpener is made of high quality abrasive materials: 360# diamond for the powerful coarse grinding, 600# diamond for precise resharpening, and 1000# resin for perfect shine. Compared to conventional sharpeners, they grind more evenly, have a longer service life and better protect your valuable knives.

64,90 €
10

Generisch

Knife Sharpener with Multifunctional 2-Stage Slots, Electric Knife Sharpener, Protective Cover, Electric Knife Sharpener for All Knives, Home & Kitchen

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25% Off
8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wide application: ergonomically designed for all users, this electric cutter sharpener effortlessly refines the edges of scissors, pocket knives and machetes with expert precision
QUICK CUTTING CAPABILITY With speed and efficiency, this electric cutter sharpener restores sharpness in seconds and provides a seamless experience for precise knives that delivers performance
Protection design: protect your work space
Maintain the longevity of sharpness: our electric cutter sharpener with an unparalleled sharpness for your tools ensures double the sharpness with its innovative knives for knives for knives that are ten times sharper
DURABLE Engineered with a pure copper motor and high materials

9,07 € 12,19 €(25% Off off)