Free Online ICO Converter

Free Online ICO Converter

Easily convert PNG, JPG, WebP or any image into a professional multi-size ICO file.

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Drag & drop an image here, or browse

PNG, JPG, WebP, GIF, BMP • Square images work best

Select icon sizes

How to Convert Image to ICO

1. Upload your image (PNG is recommended for best quality and transparency support).
2. Select the icon sizes you need using the checkboxes or quick presets (Favicon, Android, Windows).
3. Click “Create ICO & Download” — your multi-size .ico file is generated instantly in your browser.

Supported Icon Sizes

Our free ICO converter supports all common sizes used for favicons, Android Studio and Windows applications. Choose sizes from 16×16 up to 512×512 and download instantly - everything happens in your browser.

• Favicon sizes: 16×16, 32×32, 48×48, 64×64, 128×128, 256×256
• Android Studio icons: 36×36, 48×48, 72×72, 96×96, 144×144, 192×192, 512×512
• Windows icons: 16×16, 24×24, 32×32, 48×48, 64×64, 128×128, 256×256

The tool creates a single multi-size ICO file that contains every selected resolution.

Why Use This ICO Converter?

• 100% free and private — no files are uploaded to any server. Conversion happens entirely in your browser.
• Multi-size ICO in one file — browsers and operating systems automatically pick the best size for each context.
• High-quality resizing — sharp results using modern canvas scaling.
• Works on any device — fully responsive design for mobile and desktop.
• Supports multiple formats — PNG, JPG, WebP, GIF and BMP.

Frequently Asked Questions

What is an ICO file?

An ICO file is the standard icon format used by Windows and many web browsers. It can contain multiple image sizes in a single file so the system displays the sharpest version for each context (taskbar, desktop, browser tab, etc.).

Can I convert PNG to ICO?

Yes. This free ICO converter turns PNG (and other formats such as JPG, WebP, GIF and BMP) into a multi-size ICO file instantly.

What size should a favicon be?

The most common favicon sizes are 16×16, 32×32 and 48×48. Including larger sizes (up to 256×256 or 512×512) improves appearance on high-DPI screens and modern browsers.

Is this ICO converter free?

Completely free. No registration, no watermarks and no file size limits for normal use. Your images never leave your device.

Does the converter support transparent backgrounds?

Yes. PNG images with transparency are fully supported. The resulting ICO file preserves transparency for clean icons on any background.

Processed entirely in your browser • No uploads • Privacy-friendly
Free Online ICO Converter – Convert images to multi-size ICO files for favicons and app icons.
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Created By Success Trending