The Best Knife Sharpeners 2025

1. Chef'sChoice AngleSelect Model 1520 Professional Electric Knife Sharpener, in Brushed Metal (0115207)

The Chef’sChoice 1520 AngleSelect professional electric knife sharpener is the ideal solution for both 15 and 20-degree class knives. Using 100 percent diamonds, the hardest natural substance on earth, our patented abrasives sharpen edges faster and easier. This sharpener improves cutting performance by creating 2 distinct facets set at different angles that form a sharp, longer lasting, arch-sharped edge. The first stage sharpens 15-degree straight edge knives, while the second stage sharpens 20-degree straight edge knives. In the final stage, patented stropping disks create an unparalleled polished finish to both 15-degree & 20-degree knives. Precision angle guides ensure accurate sharpening throughout the entire blade length and eliminate any guesswork. This unit is designed to work with both straight-edge and serrated knives.

Precision angle guides ensure accurate sharpening from bolster to tip and eliminate any guesswork Eastern style knives (15 degree angle) sharpen with Stage One and then hone and polish in Stage Three. Traditional western style knives (20 degree angle) sharpen with Stage Two, and then hone and polish in Stage Three. Utilizing diamonds, the hardest natural substance on Earth, our signature diamond-coated steel sharpens edges faster and easier. Proprietary diamond abrasives sharpen edges faster and easier Utilizing the hardest natural substance on earth, our proprietary diamond Creates a sharp, longer lasting, double bevel edge 2 distinct facets set at different angles that form a longer lasting, arch-shaped edge Stropping disks deliver a polished knife edge in the finishing stage Patented stropping disks deliver an unparalleled polished knife edge in the finishing stage Sharpens most straight edge and serrated knives

2. Chef'sChoice Model 1520 AngleSelect Professional Electric Knife Sharpener for Straight Edge and Serrated Knives, White

The Chef’sChoice 1520 AngleSelect professional electric knife sharpener is the ideal solution for improved cutting performance on both 15 and 20-degree class knives. Using 100 percent diamonds, the hardest natural substance on earth, our patented abrasives sharpen faster and easier to create a sharp, longer lasting edge. In the final stage, patented stropping disks create an unparalleled polished finish. Precision angle guides ensure accurate sharpening throughout the entire blade length and eliminate any guesswork. This unit is designed to work with both straight-edge and serrated knives. WHY YOU NEED A KNIFE SHARPENER – Over time, a knife’s edge dulls under the stress of cutting. The overall performance can be significantly improved if sharpened and maintained correctly. HOW DO KNIFE SHARPENERS WORK – Good sharpening systems shape the knife edge with a coarse abrasive and polish with a finer abrasive.

Applies a traditional 20 degree edge or a finer 15 degree edge for precision slicing. Proprietary diamond abrasives sharpen edges faster and easier Utilizing the hardest natural substance on earth, our proprietary diamond abrasives sharpen edges faster and easier Creates a sharp, longer lasting, double bevel edge 2 distinct facets set at different angles form a longer lasting, arch-shaped edge Stropping disks deliver a polished knife edge in the finishing stage Patented stropping disks deliver an unparalleled polished knife edge in the finishing stage Precision angle guides ensure accurate sharpening from bolster to tip and eliminate any guesswork Sharpens most straight edge and serrated knives

3. Presto® Ever Sharp® Sapphirite™ 2-Stage Electric Knife Sharpener 00800

Sharpen kitchen and sport knives to a razor-sharp edge fast and economically with the Presto® Ever Sharp® 2-stage electric knife sharpener. Sapphirite™ sharpening wheels grind a precisely angled edge then fine hone and polish the blade to a razor-sharp edge. Get professional results at home anytime on most any non-serrated blade. Sapphirite™ sharpening wheels are made of the same ultra-hard material used in professional sharpening shops. Precision blade guides hold the knife at the perfect angle for no-guess sharpening. Simply draw the knife through each slot a few times for a razor-sharp edge.

Sharpen kitchen and sport knives to a razor-sharp edge fast and economically with the Presto®Ever Sharp2-stage electric knife sharpener Sapphirite sharpening wheels grind a precisely angled edge then fine hone and polish the blade to a razor-sharp edge Get professional results at home anytime on most any non-serrated blade Sapphirite sharpening wheels are made of the same ultra-hard material used in professional sharpening shops Precision blade guides hold the knife at the perfect angle for no-guess sharpening Simply draw the knife through each slot a few times for a razor-sharp edge

4. Presto Professional Ever Sharp Three-Stage Electric Knife Sharpener 08810, Grey

Presto Professional Ever Sharp Three-Stage Electric Knife Sharpener 08810, Grey gives professional sharpening results at home on kitchen and sport knives. Sharpen kitchen and sport knives quickly and easily with a blade thickness selector that adjusts the guides to the optimum sharpening angle. Select thick for hunting knives, medium for chef's knives and standard kitchen knives, and thin for light blades like fillet and paring knives. It even sharpens Santoku knives. The 3-stage process begins with a Sapphirite coarse-grinding wheel to create the proper sharpening angle. Stage 2 sharpens with a Sapphirite™ medium-grinding wheel to give the blade a precision edge. Stage 3 completes the process with an extra-fine-grit ceramic wheel that fine hones the blade to a razor-sharp edge. Precision guides hold the knife at the perfect angle for no-guess sharpening. Simply draw the knife through each slot a few times and it’s razor sharp. Suction cup feet provide added stability when sharpening. Dimensions: 13.50” W x 5.75” D x 4.50” H, weight 4.46 lb.

Presto Professional Ever Sharp Three-Stage Electric Knife Sharpener 08810, Grey Easy 3-stage sharpening system for professional results at home, anytime Sharpens kitchen and sport knives, even Santoku knives Blade thickness selector adjusts guides to optimum sharpening angle Select thick for hunting knives, medium for chef's knives and standard kitchen knives, and thin for light blades like fillet and paring knives Sapphirite coarse-grinding wheel creates the proper sharpening angle Sapphirite medium-grinding wheel gives the blade a precision edge Extra-fine-grit ceramic wheel fine hones the blade to a razor-sharp edge Blade guides hold knife at the perfect angle for no-guess sharpening Simply draw knife through each slot a few times for a razor-sharp edge Suction cup feet provide added stability 13.50” W x 5.75” D x 4.50” H, weight 4.46 lb

5. Smith's Compact Electric Knife Sharpener

Keep your knives sharp with Smith's Compact Electric Knife Sharpener. It features a synthetic wheel with blade guides that automatically hold your knife at the correct angle for sharpening. The crossed ceramic rods in the manual slot of the Smith's knife sharpener are ideal for finishing or touch-ups. It is easy to store in a kitchen drawer with its compact size. This tool can make a practical gift for a new homeowner with its functional design. It is made with a quality blend of materials to ensure a lasting performance. The sharpener has a modern look and an efficient design that is easy to work with to keep your knives sharp.

Smith's Compact Electric Knife Sharpener: Designed for use with knives with straight edges Synthetic sharpening wheel Guides the knife at the correct angle Compact knife sharpener has a manual slot with crossed ceramic rods Ergonomic, compact design

6. Chef'sChoice 312 Diamond UltraHone Electric 2-Stage Knife Sharpener for Straight & Serrated Knives

2-Stage sharpening provides arch-shaped edges that are stronger and longer-lasting than hollow ground or conventional V edges. Stage 1 uses fine diamond abrasives to create the first bevel and Stage 2 ultra hones the edge using advanced micron size diamond abrasives to complete the second bevel. The precisely formed conical diamond abrasive disks gently apply optimal sharpening pressure, guaranteed to never detemper the edge. Highly-precise knife guides automatically position and stabilize the knife as you sharpen for fast, foolproof results. It's ideal for sharpening all types of knives, including kitchen, household, sporting and pocket knives.

Features Sharpens the entire edge of kitchen, fishing, hunting and pocket knives Patented 3-stage process, diamond abrasives and magnetic guides create razor-sharp edges. Safe for quality knives. Lectric - Multi-Stage Professional - Diamond Hone Color - White

7. Edgecraft 0130000 Chef's Choice 2-Stage Electric Knife Sharpener

M300 Chef's Choice, 2 Stage Electric Knife Sharpener, Orbiting Diamonds Create Edge Of Incredible Sharpness, Magnetic Guides Precisely Control Sharpening Angles & Pressures, Eliminating Guesswork.

Chef'sChoice Diamond Hone 300 Electric Knife Sharpener Number of Stage: 2 Sharpening Wheel: Diamond Product Color: White Number of Stage: 2 Sharpening Wheel: Diamond Product Color: White

8. Smith's 2-Stage Electric Knife Sharpener

Get durable, long-lasting razor-sharp edges on your knives with the Smiths Electric Knife Sharpener. Its mechanism is coated with diamond to deliver quick and precise results. The blade guides guarantee correct sharpening angles every time. For finishing and polishing switch over to the manual slot. The crossed ceramic stones in manual mode provide light honing for both straight and serrated blades. This 2-stage knife sharpener offers electric and manual functions. Use the rubber hand grip for added safety and stability.

Smith's 2-Stage Electric Knife Sharpener: Diamond-coated sharpening wheels deliver quick precise sharpeningBlade guides guarantee correct sharpening angles every timeCrossed ceramic stones in manual slot for finishing and polishingLight honing of straight or serrated blades in manual slotRubber hand grip for added safety and stabilityDiamond electric knife sharpener delivers durable, long-lasting results Model# 50127

9. Smiths Tri-Stage Deluxe Diamond Electric

Smiths Tri-Stage Deluxe Diamond Electric, 1 Each

Smiths Tri-stage Deluxe Diamond Electric

10. Smith's Diamond-Edge Pro Electric Knife/Scissors Sharpener

Smith's is proud to introduce the Diamond-Edge Pro Electric Knife/Scissors Sharpener with Edge Pro technology. It features interlocking diamond wheels in combination with manual sharpening elements. This sharpener provides a broad capability to sharpen multiple blade types and edge conditions. This one product allows you to easily sharpen extremely dull blades, maintain razor-sharp edges on both straight and serrated blades and sharpen common household scissors.

Smith's Diamond-Edge Pro Electric Knife/Scissors Sharpener: Adjustable with 2 speeds Pull 2 Lock Scissors Sharpener for both right and left-handed scissors Edge alignment slot restores proper edge alignment on dull or damaged edges Crossed carbide cutting heads Honing/serrated edge slot puts the final, finished edge on your blade Rubber hand grip Non-slip rubber feet Magnetic collection strip for metal filings