Chrome Extension Icon Generator

Chrome requires 4 icon sizes: 16×16 (browser toolbar/favicon), 32×32 (Windows hi-DPI screens), 48×48 (chrome://extensions management page), and 128×128 (Chrome Web Store listing and install dialog).

You can upload PNG, JPG, JPEG, WebP, or SVG files. For best results, use a square PNG with transparent background (like a 512×512 or 1024×1024 source image).

The tool uses high-quality bicubic resampling via HTML5 Canvas. For best results at 16×16, start with a simple, high-contrast design — detailed logos become unclear at very small sizes.

In your manifest.json, use: "icons": {"16": "icons/icon16.png", "32": "icons/icon32.png", "48": "icons/icon48.png", "128": "icons/icon128.png"}. Place the icons in an 'icons/' folder in your extension root.

Yes! Firefox and Edge use the same icon sizes for WebExtensions. The generated PNG files work across all Chromium-based browsers and Firefox.