Free tool
Icon Resizer
Upload one image. Get all 4 Chrome extension icon sizes (16, 32, 48, 128px) with your chosen background, shape, and padding — ready for manifest.json.
Drop your icon image here
PNG, JPG, SVG, or WebP. Any size — we'll resize it.
Chrome extension icon requirements
Required sizes
16px (favicon), 32px (Windows), 48px (extensions page), 128px (Web Store listing). All must be PNG.
Missing icons = rejection
Google requires at least 16, 48, and 128px icons. Missing any triggers an automatic rejection.