Best Knife sharpeners | 2021 Top Reviews & Ratings

Best Knife Sharpener Reviews

Knife sharpeners are not the tools that people easily remember to pack when going on an outdoor-type of trip, or even a tool that most people remember to pick up at their local hardware shop for that matter. But this is definitely a mistake that needs to be rectified. For one, sharpening your knives, scissors and other tools should be on your mind quite often if you would like to keep them sharp and functional. Sharpening kitchen knives in particular is important and prolongs their usage and life, allowing you to spend your money on other things in life!

Sharpening tools are also a vital addition to every workshop. They will help you keep your other tools precise and functional. This will in turn allow them to last longer, and also minimize work related injuries. You might think nothing of it, but even gardening tools need to be sharpened every so often, and believe us, working with razor sharp tools will get the job done both faster and better.

Quick Look:Top Knife Sharpeners on our list

Types of knife sharpeners

There are several types of knife sharpeners, from your ordinary ceramic sharpening stone and Japanese sharpening stone, to those more professional types, such as electric knife sharpeners and serrated knife sharpeners. Here we will take a look at the most common types of knife sharpeners, and the best and the brightest of the products in the bunch! Keep in mind that most important thing you need to know before picking the right type is your preferences. What do you need in a good knife sharpener and what kind of knives you mostly use? Since there are plenty of knife sharpener types it is a good thing to focus on your daily routines with your knives. But, all in all, we are more than sure that you will find what you are looking for right here and right now.

Pocket knife sharpeners

Gerber Bear Grylls Field Sharpener

Pocket knife sharpeners are the smallest and the most compact type of knife sharpeners. They are rather rudimentary but serve their purpose well. Their main goal is to provide you with a quick and easy way to sharpen your blades while out in the wild. You would be surprised how often that comes in handy, and how many times a sharp knife can say your life in dangerous outdoor situations.

Pocket sharpeners are sometimes not equipped to handle large or serrated blades but that is not the case with all of them. However, we do recommend packing sharp knives when going on an outdoor trip or a hunting party and using these only as backup. By all means, have them packed up whenever you are heading out as they are practically weightless and very affordable.

Gerber Bear Grylls Field Sharpener 

When it comes to survival tools it is difficult to find a company more dedicated to manufacturing quality goods, amongst them even pocket knife sharpeners. Gerber’s line of Bear Grylls sharpeners is most certainly one of the best on the market and this field sharpener is something that will come in handy to every outdoor enthusiast and adventurer! Bear Grylls uses it, what other endorsement could you possibly need!

This little versatile knife sharpener is great for both straight blades and those serrated ones. It puts a biting edge on both types of blades and can even be used to sharpen scissors in a pinch. What is great about this sharpener is its small, compact size. It is five inches long and weighs less than two ounces! It will fit perfectly into your backpack or in your pocket, and you can even carry it around on a lanyard.

Features of Gerber Bear Grylls Field Sharpener

An excellent sharpener known for its versatility and usefulness in the field, this Gerber product will impress you with its small size and the ability to put a sharp edge to even the dullest of blades. It comes incased in a hard plastic cover and has a rubberized body that allows you to hold the sharpener steady while using it.

There are two v-shaped inserts, one with a ceramic sharpener medium and the other with a tungsten carbide medium. Carbide is best used for putting an edge on a dull blade, as it takes out a far chunk of damaged metal. Use ceramic medium to give your blades a razor sharp edge and to hone them onto perfection.

The Advantages of Gerber Bear Grylls Field Sharpener

  • Small size – This is an essential gadget to have for all outdoor enthusiasts and avid survivalists. Its small and compact size allows you to carry it around in your pocket or your backpack without adding significant weight and encumbrance that is sometimes detrimental on adventurous trips!
  • Diamond rods – Two diamond rods on each side of the sharpener can be used to add finishing touches to your blade, and are perfectly suited for use on serrated parts of the blades. They will get those serrations perfectly sharp in no time.
  • Field tested – This sharpener has been extensively tested in the field and in different kinds of survival situations. It is endorsed by Bear Grylls and he uses it during his off road expeditions.
  • Quality of make – All Gerber products, including knives and knife sharpeners, are made from quality materials and survive both the test of time and of use! Only the best materials are used in manufacturing of this sharpener, and a limited warranty is included to support that quality.
Bottom Line

To cap this review of we want to reiterate that this sharpener, while not being the best on in the world, is definitely a handy addition to every survival back pack. While some buyers note that v-shaped inserts are not the all that cracked up, they get the job done, and they note that diamond sharpening rods are great to have in a pinch. Gerber Bear Grylls Field Sharpener is most definitely one of the most affordable tools to get your knives razor sharp!

Handheld knife sharpeners

Chef Essentialz ChefSharp Knife Sharpener

These types are most commonly seen in kitchens, both of cooking enthusiasts and professional chefs. These are a bit tricky to use since there is a slight learning curve you have to master before you get proficient with them. They will usually have two different slots, one with a tungsten carbide medium, and the other with a ceramic medium. First one is used to get the blades ready, especially if they are dull and lifeless, and the second one is used for fine honing and finishing touches.

They get their name from the fact that they have to be pressed down on a hard surface to avoid slippage. The blade is then run several times through the slots, in order to achieve desired sharpness.

Chef Essentialz ChefSharp Knife Sharpener Review

This is a handheld knife sharpener model from the Chef Essentialz, a company with a long reputation of making excellent kitchen knives and other kitchen accessories! It is especially designed for use in the kitchen and on kitchen knives. The best thing about it is the fact that professional design and materials that we usually see in restaurant kitchens are used here and at affordable prices, so that the product is accessible to those who want razor sharp knives in their home kitchens!

Another thing that sets this sharpener apart is how fast it is in getting your blades sharp! Two to three gentle pulls through the v-shaped inserts will be enough to get even the dullest blades sharp and ready for use! This sharpener is lightweight and made from durable materials so you can rest assured that you will get a decent number of uses from it before you will need to replace it! But even in that case, the inserts can theoretically be replaced, so you can even keep your old ChefSharp and have it completely refurbished!

Features of Chef Essentialz ChefSharp Knife Sharpener

Superior design makes this product really pop up! Special care is given to design of the ergonomic handle that allows you to keep the sharpener steady while you are sharpening your knives! The base of the product has a non-slip base so that slippage is not an issue! This ensures greater safety while using the product!

The two inserts feature two different sharpening mediums. First is coarse carbide that is used to start the blade of, removing dullness, and the second one is ceramic medium that is used to finish the process and give the blade a nice, sharp edge!

The Advantages of Chef Essentialz ChefSharp Knife Sharpener

  • Money back guarantee – This manufacturer guarantees that you can have your money back if for any reason you decide that this is not a product for you! The product does not have to be damaged in any way, mind you; you can return it even if you simply changed your mind! Talk about the level of confidence this company has towards its products!
  • Razor sharp results – Sharp edge is what you get with every use of this product! Use it occasionally on your kitchen knives, not too often to avoid damaging the blade, but consistently to have your knives in prime condition at all times! Keep in mind that it is not intended for use on serrated knives!
  • Affordable – This is a great, professional tool is incredibly affordable, which is why it became the number one choice of many amateur chefs! It will not leave a dent in your wallet but will give you excellent sharpening results!
Bottom Line

All in all, this is one of the best knife sharpeners in its price range! Chef Essentialz ChefSharp Knife Sharpener will help you get all your knives, and scissors, in perfect condition and ready for that meticulous chopping and slicing action! It was not designed for use on serrated blades, so take note of that! Definitely a product that comes with our high recommendation!

Diamond knife sharpeners

Premium 17-Inch Diamond Knife Sharpener Steel Oval Shaft

Diamond sharpeners are excellent for giving very dull blades a new breath of life. Diamond is a very strong and durable material that can sheer off even the strongest steel. These sharpeners should be used with care, however. Using them too often on delicate blades can considerably shorten the lifespan of the blade in question, as diamond bits hard and removes a good portion of steel.

They are most often coated rods, not v-shaped indentations, as that makes them extremely versatile and allows them to be used on serrated blades. There require some time and expertise too, as you will need to know the correct angles in which different types of knives are sharpened! They are safe to use in ceramic knives.

Premium 17-Inch Diamond Knife Sharpener Steel Oval Shaft Review

This is a hand held Diamond sharpening steel, best suited for use in a professional kitchen. There are no frills or bells on this one, what you see is what you get. This is designed for use in hand, so it is very important to be careful when using it to avoid slippage and accidents.

It is advised that you place the tip on a hard surface, applying gentle pressure to it. Then it is a simple matter of giving the blade you would sharpen a couple of pulls along the sharpening surface. Drag it from bottom to tip of the blade 5-6 times and then repeat the process on the other side. Make sure to keep the blade at a 20 degree angle while sharpening it.

Features of Premium 17-Inch Diamond Knife Sharpener Steel Oval Shaft

This sharpener is made from high-quality durable steel from top to bottom, with the overall length of 17 inches, and the shaft measures 12 inches. The handle is ergonomically designed for a more convenient use, and is made from thermoplastic with an included finger guard. The shaft is coated with abrasive diamond particles that sharpen and hone your knives and other blades.

This excellent sharpener is a great addition to any kitchen, and professional value its simplicity. Some level of expertise is needed when using it. For example, you need to know how to position the blade and the correct sharpening angles for different types of blades. You can also use it to sharpen ceramic blades; make sure you don’t use excessive pressure as that might damage those sensitive knives.

The Advantages of Premium 17-Inch Diamond Knife Sharpener Steel Oval Shaft

  • Affordable – Knife sharpeners vary in price and this one is one of the more affordable ones on the market. It delivers great results on every use but it is not something that will seriously dent your budget.
  • Does the job – This uncomplicated diamond coated sharpener might not be much to look at but it is great at what it’s supposed to do! A few swift pulls of the blade across it will ensure that your knife is sharp and ready to use!
  • Can sharpen serrated blades – Depending in the size of the knife, you can use this sharpener to bring those serrations to heel, taking of the dullness and giving them a razor sharp edge!
  • Diamond particle coating – Diamond coating is one of the best sharpening mediums on the market, a lot stronger than steel and can sharpen even the toughest of blades. This diamond coating does not shear off with use, so it is guaranteed to last a good, long while.
Bottom Line

This affordable, simple-to-use knife sharpener is geared toward professionals that need a quick and reliable tool to sharpen their blades. You will mostly find it in professional kitchens, but is also great for home use. Premium 17-Inch Diamond Knife Sharpener Steel Oval Shaft is a great buy so make sure not to miss this opportunity!

Electric knife sharpeners

Chef's Choice 130 Professional Knife-Sharpening Station

Electric knife sharpeners have long been avoided in the kitchens as chefs and connoisseurs believed that they are too hard on their knives and do not allow much sharpening control. This is no longer the case. Electric knife sharpeners are today one of the most valued kitchen tool, precise and fast. They get the job done in a fraction of time that is usually needed when sharpening knives the old fashioned way.

Another thing that made them popular is the fact that they have built in sharpening guides, some even several, which help you sharpen different kinds of blades easy and effortlessly. Some of these can even be used to sharpen serrated blades without damaging them.

Chef's Choice 130 Professional Knife-Sharpening Station Review

This is one of the higher priced electric models currently on the market, and for a good reason. It is one of the most professional models intended for restaurants kitchens and for chefs’ extraordinaire who want all their blades to be razor sharp! It is important to get familiar with the device before using it, so we suggest that you read the manual before you proceed on sharpening.

One of the advantages of this model is the fact that it is very silent, so there will be no unnecessary noise disturbing you or your colleagues at work. This sharpener uses SteelPro technology that ensures that all your blades are professionally sharpened and honed to perfection each and every time.

Features of Chef's Choice 130 Professional Knife-Sharpening Station

This sharpener is extremely easy to use, but there is a slight learning curve in action here. Because of the fact that not all three sharpening stages are required for every knife, it is important to know which knife to sharpen and how. The aforementioned three stages are another thing that set this sharpener apart from the others. The first stage is a 100% diamond abrasive that is best used on dull blades as it helps remove any kinks in the blade itself. The second stage is hardened steel medium, and the third stage features a flexible stropping disk that is used primarily for honing the blade and applying the finishing touches.

The sharpener also has professional guides on each of the stages that help guide the blade and sharpen them in a correct angle. Every stage has double guides, used to precisely sharpen blades from both sides.

The Advantages of Chef's Choice 130 Professional Knife-Sharpening Station

  • Warranty – It features a 3-year limited manufacturer’s warranty that all but guarantees that the manufacturer has your back if the push ever comes to shove! Should you experience any issues with the product simply contact the manufacturer, and your sharpener will be serviced or replaced.
  • Ease of use – This great sharpener is non-complicated and easy to use, featuring a very intuitive design. Simply run your blades through the stages applying moderate pressure, and make sure to read the instructions manual!
  • Can be used on serrated blades – The third stage of the sharpener can be used to give your serrated blades a touch up. Don’t use the diamond abrasive on serrated blades as you might damage them.
  • Easy to maintain and clean – This sharpener is very easy to maintain and clean. Make sure to clean the magnetic disc that collects shards that is placed at the bottom of the sharpener. Use moist cloth and paper to clean it, and don’t use water on it.
Bottom Line

While this is quite a pricey sharpener, it is our opinion that it is worth every penny! Chef's Choice 130 Professional Knife-Sharpening Station is one of those sharpeners that will be a welcome addition to all restaurants and professionals, but also to those home kitchen enthusiasts who want their blades razor sharp in matter of seconds! Make sure to buy it if you want a quality sharpener that will last you for years!

Professional knife sharpeners

Work Sharp WSKTS-KO Knife and Tool Sharpener Ken Onion Edition

These sharpeners are designed for use in workshops, and other places of business where having a sharp blade is of essential importance. They are usually a lot pricier than your other run of the mill sharpeners but we believe the price is justified, especially when you consider that they can be used to sharpen knives, tools, scissors and pretty much everything else you have in your workshop.

There are several different manufacturers that make this type of sharpener, and picking any one would be a good choice. They are all electrical and sharpen tools using a sharpening belt and pre-set guides, specially designed for razor sharp edge and extreme precision.

Work Sharp WSKTS-KO Knife and Tool Sharpener Ken Onion Edition Review

Work Sharp collaborated with the renowned knife maker Ken Onion to put this sharpener on the market. This excellent tool will provide you with all the versatility and precision you need to sharpen your blades, even the ones you usually would not touch with an electric sharpener! The industrial design of this sharpener makes it one of the best, and the most durable, currently on the market!

While it comes with a higher price tag, its wide range of features most certainly justifies it! You can use it to sharpen pretty much anything, from your kitchen and hunting knives to your heavy-duty tools and gardening equipment. Though it can be used by enthusiastic amateurs, this sharpener is best put to use in a professional workshop or a restaurant, or any other place where having sharp tools is an imperative! It works precisely and fast, so you can rest assured that you will have a drawer full of razor sharp blades in no time!

Features of Work Sharp WSKTS-KO Knife and Tool Sharpener Ken Onion Edition

This special edition knife sharpener is made from cast steel so it is durable and sturdy. You can use it to sharpen all kinds of knives, including flat-edge knives and serrated blades. Thanks to its abrasive belt system sharpening is straightforward and easy.

What really allows this sharpener to shine is the fact that the motor speed is adjustable, so you can run it how you want. This enables you to sharpen delicate blades that are otherwise not suited for electric sharpeners. The speed can be adjusted from 1200 SFM to 2800 SFM, depending on the type of blade you are working on.

The Advantages of Work Sharp WSKTS-KO Knife and Tool Sharpener Ken Onion Edition

  • Practical – This great sharpener is truly a versatile and practical addition to any workshop, and owning one means you can forget about dull blades! It also works great for sharpening your other edged tools and gardening equipment.
  • Built to last – Special edition is larger and has more power. It also weighs more thanks to its cast metal components! It will replace all your other sharpening tools and do a much better job at keeping your blades razor sharp!
  • Abrasive belts – It comes with 5 different types of abrasive belts, each suited for a different type of blade, honing and fine tuning of the edge, and you will also get spares for when you run out! Belts are specially designed to last a good deal longer as well!
  • Warranty – This product was made for use in the North American and buyers from that market are given a one year warranty on the product! This means you can rest easy knowing that the company has your back in case something goes wrong with the tool!
Bottom Line

While not the cheapest tool in the drawer, we can definitely say that Work Sharp WSKTS-KO Knife and Tool Sharpener Ken Onion Edition is the sharpest! This professional grade sharpener is a welcome addition to every workshop and restaurant and gets the job done precisely and quickly!

What to look for in a good knife sharpener

Now that you know all about types of knife sharpeners and you were introduced to some of the best ones on the market, we would like to point out a few things worth mentioning. As we said several times before, it all comes down to what you need and like, but when picking the right knife sharpener there are some general specs you need to look at when choosing.​

  • Sharpening guides – Sharpening guides are essential feature that you should look for when trying to find a perfect knife sharpener. These are guides that are pre-set on the sharpeners and allow you to avoid stressing out when deciding on an angle that would be best suited for your blade. Different blades need to be sharpened in different angles and this feature helps you to best determine the angle suited for your blade.
  • Different sharpening mediums – It is important to get a sharpener that has several different sharpening mediums, two at the very least. Tungsten carbide is used to give an edge to very dull blades, and then the ceramic medium is used to finish off the blade, giving it that razor sharp edge.
  • Compact size – Make sure to pick a sharpening tool that is compact and small in size so you can easily use it, carry it and have it handy in the kitchen. Good thing about smaller sharpeners is the fact that it can be stored anywhere in the kitchen and ready to use at a moment’s notice.
  • Diamond rod – Having a diamond coated rod is a great thing since you can use it to sharpen your ceramic blades. Another thing it is useful is sharpening serrations on blades. This means that all parts of your blade can be sharpened in one go.