What is an electric knife sharpener?

An electric knife sharpener is a device that uses electricity to sharpen the blades of knives quickly and efficiently.

How does an electric knife sharpener work?

It works by grinding the knife edge against a hard, abrasive surface, usually a grinding wheel, to reshape and sharpen it.

Can all types of knives be sharpened using an electric knife sharpener?

Most types can be, but some specialty knives or those with unique blade shapes may require manual sharpening.

Is an electric knife sharpener hard to use?

No, most are designed to be user-friendly, with guides to help position the knife correctly.

Does using an electric knife sharpener require any safety measures?

Yes, always handle the sharpener and knives with care, and follow the manufacturer's instructions.

April 2, 2026

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10 Best electric knife sharpeners of 2026

Save up to 43% off

Best Choice

1

Clicked 553 times in the last month

Chef's Choice
Chef’sChoice 15XV EdgeSelect Professional Electric Knife Sharpener with 100-Percent Diamond Abrasives and Precision Angle Guides for Straight Edge and Serrated Knives, 3-Stage, Gray

13% Off
Main highlights

Convert Knives to High Performance
Transforms 20-degree edges to 15-degree Trizor XV edges for sharper performance.

Ideal for Home Cooks
Perfect for sharpening kitchen knives, including straight and serrated blades.

Effortless Sharpness Praised by Users
Users love the ease of achieving razor-sharp edges quickly.
Key specs
- Angle:15-degree edges
- Functionality:Knife sharpener
- Dimensions:10 x 4.25 x 4.25 inches
- Material:Diamond abrasives
- Grit:100 percent diamond
9.8

Exceptional

Our Rating

9.9
Easy to grip

9.5
Simple to use

9.3
lasts a long time
How do we rank?

Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you

Careful review Our team ensures quality, value, and fit based on real user feedback

Trusted insights AI and human analysis guide your decisions, reflecting real user priorities
Real users impact

Thousands of users trust our site daily

Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
Value for Money

2

Krcqap

Knife Sharpener Electric for Kitchen - 3-Stage Kitchen Knife Sharpener - 15°Precision Angle Guide Knife Sharpeners - Stainless Steel Grinding Head-Portable and Useful-Fast Sharpening, Repair, Polish

30% Off Limited Time Deal
9.7

Exceptional

Our Rating
3

Presto
Presto 08800 EverSharp Electric Knife Sharpener, 2-Stage System, Silver/Black

13% Off
Main highlights

Razor-Sharp Edge Creation
Sapphirite wheels provide a precisely angled, razor-sharp edge quickly.

Ideal for Kitchen and Sport Knives
Perfect for sharpening non-serrated kitchen and sport knives at home.

Ease of Use Praised by Users
Customers love its simplicity and efficiency for sharpening various knives.
Key specs
- Angle:Precisely angled edge
- Functionality:Knife sharpening
- Dimensions:9.9 x 7.2 x 4.8 inches
- Material:Sapphirite
- Grit:N/A
9.5

Excellent

Our Rating

9.3
Simple to use

8.9
worth the money

8.9
materials Quality
4

Narcissus
Narcissus Knife Sharpener, Professional 2 Stage Electric Knife Sharpener for Quick Sharpening & Polishing, with Scissors Sharpener and Metal Dust Collection Box, Stainless Steel, Silver
Main highlights

Professional Results at Home
Electric sharpener with a 2-stage system for crude and fine sharpening.

Versatile Kitchen Use
Ideal for home chefs needing quick blade restoration.

Efficient and Fast Sharpening
Customers praise the sharpener's speed and ease of use.
9.2

Excellent

Our Rating

9.3
Simple to use

8.9
Vacuum strength

8.7
worth the money
5

Presto
Presto 08810 Professional Electric Knife Sharpener, Multi/None

23% Off
Main highlights

3-Stage Sharpening System
Easy 3-stage sharpening system for professional results at home, anytime.

Versatile Knife Compatibility
Sharpens kitchen and sport knives, even Santoku knives.

Highly Effective Sharpness
Remarkably one of the best knife sharpeners for instant sharpness.
9.1

Excellent

Our Rating

9.7
lasts a long time

9.5
Flexibility

9.3
Simple to use
See Today’s Deals & Prices
6

Northmas
Northmas Knife Sharpener, Professional Electric Knife Sharpener for Home Use, 2 Stages for Quick Sharpening & Polishing, 100V-240V Global Voltage Design, Blue
Main highlights

Professional Results at Home
The Northmas knife sharpener offers a 2-stage system for sharpening and polishing, delivering sharp, burr-free edges quickly and conveniently.

Ideal for Dull Knives
Perfect for reviving very dull knives, saving time compared to manual sharpeners.

Ease of Use and Quality
Praised for its user-friendly operation and effective results, making it a popular choice among users.
Key specs
- Angle:Oblique placement required
- Functionality:2-stage sharpening system
- Dimensions:7.8 x 2.1 x 3.1 inches
- Material:N/A
- Grit:N/A
9.0

Excellent

Our Rating
7

LEFUGO

LEFUGO Electric Knife Sharpener, 3 Speed Max 7000RPM Handheld Sharpener for Kitchen Knives, Electric Knife Sharpening Tool of Portable Cordless Rechargeable 2000mAh (Orange)

43% Off Limited Time Deal
8.9

Very Good

Our Rating
8

dskiley

Electric Knife Sharpener for Kitchen – Professional 3-Stage 100% Diamond System with 20° Precision Angle, Fast Sharpening to Restore & Polish Chef Knives(Black)

20% Off Limited Time Deal
8.7

Very Good

Our Rating
9

Dawnstar

Dawnstar Electric Knife Sharpener, Professional Kitchen Knife Sharpener for Home Use, 2 Stages of Coarse Sharpening & Fine Polishing, Metal Dust Collection Box for Easy Cleaning, Silver Gray
8.6

Very Good

Our Rating
10

Dawnstar

Dawnstar Knife Sharpener, Diamond Electric Knife Sharpener for Stainless Steel and Ceramic Kitchen Knives, Metal Dust Collection Box, Ergonomic Handle, Quick Sharpening & Polishing, Black
8.4

Good

Our Rating

Frequently Asked Questions

What is an electric knife sharpener?
An electric knife sharpener is a device that uses electricity to sharpen the blades of knives quickly and efficiently.

How does an electric knife sharpener work?
It works by grinding the knife edge against a hard, abrasive surface, usually a grinding wheel, to reshape and sharpen it.

Can all types of knives be sharpened using an electric knife sharpener?
Most types can be, but some specialty knives or those with unique blade shapes may require manual sharpening.

Is an electric knife sharpener hard to use?
No, most are designed to be user-friendly, with guides to help position the knife correctly.

Does using an electric knife sharpener require any safety measures?
Yes, always handle the sharpener and knives with care, and follow the manufacturer's instructions.

10 Best electric knife sharpeners of 2026

1

Chef’sChoice 15XV EdgeSelect Professional Electric Knife Sharpener with 100-Percent Diamond Abrasives and Precision Angle Guides for Straight Edge and Serrated Knives, 3-Stage, Gray

9.9

9.5

9.3

How do we rank?

How do we rank?

Analyzing top stores

2

Knife Sharpener Electric for Kitchen - 3-Stage Kitchen Knife Sharpener - 15°Precision Angle Guide Knife Sharpeners - Stainless Steel Grinding Head-Portable and Useful-Fast Sharpening, Repair, Polish

3

Presto 08800 EverSharp Electric Knife Sharpener, 2-Stage System, Silver/Black

9.3

8.9

8.9

4

Narcissus Knife Sharpener, Professional 2 Stage Electric Knife Sharpener for Quick Sharpening & Polishing, with Scissors Sharpener and Metal Dust Collection Box, Stainless Steel, Silver

9.3

8.9

8.7

5

Presto 08810 Professional Electric Knife Sharpener, Multi/None

9.7

9.5

9.3

6

Northmas Knife Sharpener, Professional Electric Knife Sharpener for Home Use, 2 Stages for Quick Sharpening & Polishing, 100V-240V Global Voltage Design, Blue

7

LEFUGO Electric Knife Sharpener, 3 Speed Max 7000RPM Handheld Sharpener for Kitchen Knives, Electric Knife Sharpening Tool of Portable Cordless Rechargeable 2000mAh (Orange)

8

Electric Knife Sharpener for Kitchen – Professional 3-Stage 100% Diamond System with 20° Precision Angle, Fast Sharpening to Restore & Polish Chef Knives(Black)

9

Dawnstar Electric Knife Sharpener, Professional Kitchen Knife Sharpener for Home Use, 2 Stages of Coarse Sharpening & Fine Polishing, Metal Dust Collection Box for Easy Cleaning, Silver Gray

10

Dawnstar Knife Sharpener, Diamond Electric Knife Sharpener for Stainless Steel and Ceramic Kitchen Knives, Metal Dust Collection Box, Ergonomic Handle, Quick Sharpening & Polishing, Black

Frequently Asked Questions

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