Best Kitchen Knife Sharpeners of 2025: Manual, Electric & Sharpening Stones Tested
A dull knife is more dangerous than a sharp one. You push harder, the blade slips, and suddenly you’re explaining an ER visit with “the onion fought back.” A good sharpener turns a frustrating knife into a tool that glides through tomatoes and minces garlic without crushing it. The problem is that sharpening methods vary wildly. Electric sharpeners are fast but remove metal aggressively. Pull-through sharpeners are easy but inconsistent. Whetstones give the best edge but take practice. Honing rods don’t sharpen at all. They realign the edge, which is necessary but different. I tested seven sharpeners across all categories to find which ones actually work without requiring a knife sharpening apprenticeship. ...