These electric knife sharpeners will make the dullest blades razor-sharp again with just the push of a button:.Best-Rated: Presto EverSharp Electric Knife Sharpener .Best Professional-Grade Option: Chef's Choice Trizor XV EdgeSelect Professional Knife Sharpener.Best for Different Blade Sizes: Presto Professional Electric Knife Sharpener.Best Two-in-One Option: Chef's Choice 290 AngleSelect Hybrid Diamond Hone Knife Sharpener.Best for Japanese-Style Knives: Kai Cube Electric Knife Sharpener.Best Affordable Option: EdgeKeeper Electric Knife Sharpener.Best for Different Blade Types: Work Sharp Knife and Tool Sharpener.Easiest to Use: Wusthof Electric Knife Sharpener