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ICO Converter
Drag and drop an image here, or click to select
Supports JPG / PNG / GIF / WebP. Convert to ICO icon files.
16 32 64 128 256
Upload an image to preview the generated icons
What is ICO Conversion?
ICO is a common icon format for Windows and the web; a single .ico file can contain multiple image sizes. This tool converts ordinary images into .ico icons you can use as website favicons or app icons. Everything runs locally in your browser — images are never uploaded.
Key Features
- Size selection: switch between 16 / 32 / 64 / 128 / 256 px.
- Multi-size bundle: one .ico can hold several sizes for different display scenarios.
- Transparent background: transparent by default, with custom background color.
- High-quality scaling: stepped downscaling keeps small sizes crisp.
How to Use
- Upload an image by click or drag.
- Choose the target size or multi-size bundle mode.
- Click "Download ICO" to save the icon.