Best Electric Knife Sharpener 2025

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Last Updated - 18.07.2025

Best Choice

01

GRAEF.

Graef CX125DE Knife Sharpener, 75, Diamond Discs, Black

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22% Off
9.8

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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Optimum blade construction due to diamond discs.
Knife with a sharpening angle of 15°.
European knives with a 20° sharpening angle can be sharpened to a 15° sharpening angle for even greater sharpness and durability.
3-phase sharpening with minimal material removal.
15° sharpening angle.

155,00 € 199,99 €(22% Off off)
02

Austein

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

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9.7

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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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
9.6

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

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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9.5

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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🏻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 €
05

Kiseely

Elektrischer Messerschärfer, 5 in 1 Messerschärfsystem mit gerader Klinge, Profi-Diamant Messerschärfer FüR Grob Schlerfen, Reparatur und Schärfen von Messern (ER1)

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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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【Vielseitiger Komfort】:Ob für den Heimgebrauch, einen Straßenladen oder professionelle Köche in einem geschäftigen Fleischmarkt, dieser elektrische Messerschärfer ist vielseitig und anpassungsfähig. Es kann verschiedene Messertypen, einschließlich Eisen- und Stahlklingen, schärfen, um eine Vielzahl von Szenarien gerecht zu werden.
【Klingenfreundliches Design】:Mit fortschrittlicher Technologie enttemperiert dieser Schärfer die Klinge nicht und stellt die Langlebigkeit und Haltbarkeit Ihrer Messer sicher. Seien Sie versichert, dass Ihre geschätzten Messer während des Schleifprozesses sicher sind.
【Geräuscharmer Betrieb】:Während einige elektrische Schärfer laut und störend sein können, arbeitet dieser elektrische Messerschärfer mit minimalem Geräuschpegel (Geräuschpegel sogar unter 65 dB), sodass Sie Ihre Messer schärfen können, ohne andere in der Küche zu stören.
【 Sparen Sie Ihre Zeit】:Unser elektrischer Messerschärfer erfüllt die grundlegenden Messerschärferbedürfnisse des täglichen Lebens. Es wird die Schärfe Ihrer Messer mit einem beträchtlichen Schärfeeffekt in nur 30 Sekunden wiederherstellen.
【Effizientes Schärfen】:Der professionelle elektrische Messerschärfer ist mit einer einfachen Ein-/Aus-Taste ausgestattet, führen Sie die Klinge diagonal in den Schärfschlitz ein, ziehen Sie das Messer gleichmäßig zurück, die Winkelführung des Messerschärfers Werkzeug elektrisch hält die Klinge im perfekten Winkel, und Sie erhalten eine brandneue scharfe Klinge schnell

19,99 €
06

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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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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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.

59,99 €
07

SOARFLY

SOARFLY Electric Knife Sharpener

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22% 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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Electric knife sharpener

20,99 € 26,99 €(22% Off off)
08

Dattecat

Electric Knife Sharpener, 5 in 1 Knife Sharpening System with Straight Blade, Professional Diamond Knife Sharpener for Coarse Sharping, Repair and Sharpening Knives

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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

🏻Three-stage sharpening system: In level 1 and 2, the blade is sharpened with a diamond grinding wheel. Finally, it is polished in stage 3 with a ceramic grinding wheel. From coarse to fine, each step helps to achieve a razor sharp edge.
🏻Reliable and durable: our knife sharpener is made of ABS plastic. The robust construction and high-quality materials ensure a durable and reliable performance (protects the housing from cuts - overheating protection).
🏻BLADE FRIENDLY DESIGN Thanks to the advanced technology, the blade is not unsolidified with this sharpener, ensuring the longevity and durability of your knives. Whether you are an experienced chef or a beginner, this sharpener is suitable for all skill levels.
Versatile comfort: this knife sharpener is versatile and adaptable. Works with most common kitchen knives, scissors, folding knives, vegetable knives, boning knives, pocket knives and many other cutting tools.
Efficient sharpening: the professional knife sharpener is equipped with a simple on/off button, insert the blade diagonally into the sharpening slot, stand the knife back evenly (in one direction). It will restore the sharpness of your knives with a considerable sharpening effect in just 30 seconds. Note: Avoid excessive force and do not pull back and forth.

19,99 €
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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8.8

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.

59,90 €
10

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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8.6

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

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 €