Sharpen Your Kitchen Knives With 11 Best Electric Knife Sharpeners Of 2021

Sharpen Your Kitchen Knives With 11 Best Electric Knife Sharpeners Of 2021

If there’s one tool that you cannot do without in the kitchen is a knife. But, when a knife turns dull, so does the mood to prepare food. We mean, there’s a different kind of joy to watch it slice through something in one go. No friction, no pressure, just one smooth cut, and it is done! Though there are several sharpening shops out there to refine the knife’s edge— nothing beats having your very own electric knife sharpener at home. They are cost-effective, quick, convenient, and can hone all kinds of knives and sharp tools. Yep, no wonder they are an indispensable item for chefs and ardent cooks. Plus, the best electric knife sharpeners will always keep the knife razor-sharp and ready for all the slicing, dicing, and mincings! Sounds thrilling, doesn’t it?

Now, go find the best electric knife sharpener for your kitchen today! Here’s our list of the 11 best electric knife sharpeners of 2021 for you.

Caution: Please note that using an electric knife sharpener without safety measures can be hazardous. Always wear safety gloves while sharpening the knives, and also, choose a beginner’s model if you’ve never used a knife sharpener machine before.

Read on to know more.

11 Best Electric Knife Sharpeners

1. Chef’sChoice Trizor 15XV Sharpener 

Chef'sChoice Trizor 15XV Sharpener 


Did you know a knife’s longevity depends upon how well it is re-sharpened? And transforming 20-degree factory-made edges to high-performing 15-degree ones is nothing but child’s play for this advanced 3-stage knife electric sharpener. With a premium stropping slot, the first 2 stages have 100% diamond abrasive plates to enhance the edge. The 3rd stage, on the other hand, uses the patented abrasive and flexible system to extend the longevity of serrated blades. Also, it is so easy to use! Since the tool adjusts the angle automatically, all you have to do is place the knife in the right division and switch on the button. Now, do you still want to skip this one?


  • Quick and easy
  • Durable and sturdy Trizor edge
  • Ensures ultra-sharp results with 15-degree technology
  • It takes 1 minute for first-time sharpening and 10 seconds for resharpening
  • Ideal for sharpening chef’s, bread, hunting, pocket, fillet, and santoku knives


  • Pricey

2. LINKYO Electric Knife Sharpener

LINKYO Electric Knife Sharpener


Have you never used an electric knife sharpener before? This 2-stage sharpener will effortlessly sharpen those dull edges in the comforts of your home! Yep, watch the 1st stage reshapes, re-sharpens, and enhances the edges, while the 2nd stage polish to give your knife a brand new glint. Besides this, it automatically sets the angles and has an emergency stop feature as well. Beginners, do not miss it one!


  • Safe and quick
  • Mess-free and easy to use
  • It does not require downward pressure
  • It has a non-slip and heavy-duty suction at the bottom.


  • Slightly noisy
  • Not ideal to sharpen heavy-duty blades

3. EdgeKeeper Electric Knife Sharpener 

EdgeKeeper Electric Knife Sharpener 


For all those who use fine-edge knives only, this electric sharpener by EdgeKeeper would be ideal. Perfecting the knives in seconds, this professional 2-stage sharpener has slots that automatically position the knife at the required angle for sharpening. Also, a great option for small kitchens given its compact size, this high-performance equipment is durable and has a non-slip silicone bottom too. Give it a try!


  • ETL approved
  • Mess-free and easy to use
  • The magnet is removable for easy cleaning.
  • The sharpening wheels are diamond-coated.
  • Ideal to use for carbon and stainless steel knives


  • Not suitable for serrated, ceramic, scissors, electric knives

4. Shenzhen Knives Electric Diamond Knife Sharpener 

Shenzhen Knives Electric Diamond Knife Sharpener 


With diamond grinding wheels, this electric sharpener is all you need to rejuvenate your ceramic and fine-edge knives. No matter how dull or damaged the blade is, the 2-stage processing (coarse and fine) addresses the bluntness and restores the ideal edginess effortlessly. Also, given its high-powered design, it can grind off up to 1mm of the edge easily. And did you notice the V-shape design? It allows the knives to sit at a perfect angle for precise sharpening. Why skip it?


  • Mess-free and easy to clean
  • The diamond wheel cartridge and the cover is removable.
  • Ideal for sharpening stainless steel and ceramic knives


  • Not be ideal for large knives

5. Secura Electric Knife Sharpener

Secura Electric Knife Sharpener


Your knife’s safety is a top priority for this electric tool that comes with an emergency stop feature and non-slip suction feet. Also, this compact and space-saving knife sharpener will be handy for small kitchens as well. Designed with 2 stages to ensure professional-level razor-sharp blades, it guarantees to do the sharpening in mere seconds! Yep, so before you can decide the menu for the day, your knives will be ready to chop, mince and slice! Try it.


  • Easy to use and quick
  • Durable and ETL approved
  • Ensures to reshape, rejuvenate, hone and polish accurately
  • Ideal for non-serrated blades only


  • May be too light for large knives

6. Sagler Electric Knife Sharpener 

Sagler Electric Knife Sharpener 


Chefs and ardent cooks! All eyes on this professional-grade tool that can polish those non-serrated blades back to new! Designed with sapphire sharpening wheels, it guarantees professional and high-performance results in the comforts of your home. So, if you are looking for ultra-sharp edges, then this compact electric knife sharpener with 2-stage processing can be your ultimate go-to. Add to the cart already!


  • Safe and quick
  • Guarantees results within seconds
  • Easy to use with one on/off switch
  • Ideal for professionals and beginners


  • May not be powerful enough for large knives

7. Smith’s 50005 Edge Pro Compact Electric Knife Sharpener 

Smith's 50005 Edge Pro Compact Electric Knife Sharpener 


If you are looking for a hassle-free and compact knife sharpener, you must check out this tool. With an ergonomic handle offering additional comfort, it has non-slip rubber feet, making it a great option for travelers and campers. Also, it is designed with synthetic wheels to sharpen straight-edge knives within seconds! Now, whether you want to hone it manually or touch-up quickly, it guarantees super-sharp edges only.


  • Compact design
  • Quick and easy to use
  • The power cord is detachable.
  • The blade slot ensures accurate sharpening.


  • May be underpowered for large knives

8. Narcissus Knife Sharpener

Narcissus Knife Sharpener


Here’s another professional-level knife sharpener you must check out. Ideal for giving away as a gift to passionate cooks and chefs, get ready to enjoy 2 stages of both fine and crude systems in this compact-designed tool. Also, not just knives, it is equipped to sharpen screwdrivers and scissors as well. With a 15-degree angled slot and 60W copper motor, consider all your dull and damaged knives renewed and resharpened effortlessly. Do not skip it!


  • Abrasive corundum wheels
  • Sturdy and highly durable
  • Features overheat protection
  • Ensures ultra-sharp and thin edges within seconds
  • Ideal for both small and large fine-edge knives


  • Cleaning the metal debris might be a hassle

9. Hamilton Beach Electric Kitchen Knife Sharpener 

Hamilton Beach Electric Kitchen Knife Sharpener 


Looks premium? Well, it works like one too! With 2 stages of sharpening, this knife sharpener has 4 automatic positioning slots for blades as well. Yep, a combo like no other, you can consider all those dull knives ultra-sharped (like brand new!) effortlessly. Also, the wheels are diamond-coated and made of stainless steel to ensure the finest honing. Want more? You can sharpen different kinds of knives, be it pocket or chef’s knife, with this gadget! Need we say more?


  • Easy to use
  • Designed with an ergonomic handle
  • Prevents knife damage with overload protection
  • Reshapes, sharpens, and hones the edges within seconds


  • Not suitable for serrated knives

10. Wusthof Electric Knife Sharpener 

Wusthof Electric Knife Sharpener 


Imagine the horror if one of those expensive knives ends up with a scratch while sharpening. However, not if you opt for a premium knife sharpener like this one. Yep, a great option for those who adore their knife collection, this electric sharpener comes with 3 stages of sharpening (shape, re-sharpen, and refine). Also, the best part is, it has pre-programmed one-touch controls for quick and easy guidance. Now, whether you want to use it at home or professionally, the tool sharpens with precision edge technology (PEtec) that guarantees razor-sharp edges only. Try it!


  • Repairs damaged and dull knives effortlessly
  • Ideal for sharpening fine-edge and serrated blades
  • The smart timing system prevents over-sharpening.
  • It has an internal vacuum system to collect metal debris. 


  • Expensive 

11. Kyocera Electric Knife Sharpener 

Kyocera Electric Knife Sharpener 
Buy-NowLastly, this knife sharpener for beginners has a user-friendly design to make sharpening at home easy and convenient. Ideal for ceramic and steel blades, it has a diamond grinding stone to ensure ultra-sharp and precise edges. Besides this, its #600 grit is medium fine and can grind off nicks for up to 0.5 mm. And though it is designed to sharpen ceramic knives at a 35-degree angle, it can work brilliantly on stainless steel too. Give it a try if you’ve never used a knife sharpener before!


  • Sharpens and polishes accurately
  • Features a light display to indicate the tool is on
  • The safety cover accumulates the grinding dust.
  • The assist roller prevents overloading or over-sharpening.


  • Not ideal for small or hunting knives

It’s time to sharpen up your chopping skills! There you go, those were the 11 best electric kitchen sharpeners of 2021 for you. If you need more assistance with buying the best tool, we have explained a few tips in the buying guide below.

Buying Guide: 

How to Choose the Best Electric Knife Sharpener?

Look out for the following features in the product before buying:

Knife type: Before choosing a knife sharpener, inspect if it is suitable to sharpen your kitchen knives, or else you will end up ruining the shape of the blades.

Blade slot angle: Choosing the right blade slot angle can be tricky if you have different kinds of knives at home. However, 15-degree to 20-degree angles are considered ideal for thin and razor-sharp edges.

Grinding stone or wheels: The most indispensable item in the sharpening machine is the stone or the wheels used to grind the blades. And for the best experience, you must opt for diamond grinding stone, diamond-coated wheels, or diamond-abrasive plates for ultra-sharp and polished edges.

Overload protection: Too much pressure can ruin the shape of the blade or over sharpen them in the process, which is a complete no-no. So to be safe, pick a product that features overload protection.

Non-slip base: And lastly, a non-slip base is a must for your knife’s and your safety. These suction feet will keep the tool fixed in one place, so you can angle and sharpen the blade without the need to hold the product manually.

Frequently Asked Questions

Do electric knife sharpeners get dull?

It depends on how well you maintain and use the tool. Ideally, an electric knife sharpener will last for up to 1 to 2 years with high maintenance and if used as per the directions.

Do electric knife sharpeners damage knives?

Yes, they can ruin knives in two cases- if you use a tool, which is not suitable for your knife’s edge, and if too much downward pressure is applied while sharpening.

How often should I sharpen my knife?

Once every 8 to 12 weeks or depending on your knife’s dullness. Also, it depends on how often you use the knife, but an 8 to 12 weeks rotation is ideal.

Are electric knife sharpeners better than manual?

If you are a beginner or looking for a time-efficient way to sharpen your knife, electric sharpeners are ideal for you. However, if you prefer precision and want to extend the knife’s longevity, then a manual sharpener would be a great option. 

Now, what are you waiting for? Dice, slice, and mince like a pro with the best knife sharpening tool on your shelf! Go on, turn those prep-up hours into your very own cookery show and flaunt your chopping skills like never before. With these gadgets keeping your knives ultra-sharp and ready to slay, we bet there’ll never be a dull moment with one of these in your collection. Hurry, grab your electric kitchen sharpener today.

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Sakshi John

Sakshi did her graduation in Journalism from the Madras Christian College, Chennai, before starting her career as a freelance writer. She is into blog writing and for MomJunction, she covers various topics, including products to buy for your kitchen, furniture, and other home requirements. Previously, she interned as a content writer in a cyber security firm. As a content writer, Sakshi... more