BMP to ICO Converter
Convert BMP to ICO online—Free, Fast, No Signup, Secure. Export BMP to ICO icons for Windows apps, desktop shortcuts and favicon.ico with multi-size support.
Drag & drop images here (PNG, JPG, WEBP, GIF...)
What is BMP to ICO Converter?
BMP is a bitmap image format that stores pixels and is often larger because it may be uncompressed.
ICO is a Windows icon container that can include multiple icon sizes in one file so the system can display crisp icons at different scales.
A bmp to ico converter turns a BMP image into an ICO icon by resizing and packaging the image into common icon sizes for Windows and favicon.ico use.
Variation: convert BMP to ICO online to create icons instantly in your browser.
Benefit: Get one ICO file with multiple sizes that works for Windows apps, desktop shortcuts, and classic favicons.
How to Convert BMP to ICO Online
Upload your BMP, keep output set to ICO, convert, and download the icon file.
- Upload BMP image(s).
- Convert to ICO (multi-size icon output).
- Download your ICO file(s) ready for Windows and web.
Tip: For best results, use a square image (like 512×512) so small sizes stay sharp.
Why Use Our BMP to ICO Converter?
- Creates icon files suitable for Windows desktop and application use.
- Supports multi-size icons so Windows can pick the right resolution.
- Works for classic favicon.ico workflows.
- Batch conversion supported (if enabled in InputFile).
- No watermark, no signup required.
BMP vs ICO – Key Differences
BMP
- Single bitmap image at one size.
- Can be large (often uncompressed).
- Not optimized for icons.
- Good as a source image.
ICO
- Icon container that can include multiple sizes.
- Native Windows icon format.
- Used for .exe icons, folders, shortcuts, favicons.
- Designed for crisp display at small sizes.
When Should You Convert BMP to ICO?
- Windows desktop shortcut icons.
- Application icons and .exe resources.
- Website favicon.ico files.
- Custom folder icons on Windows.
Is BMP to ICO Converter Safe to Use?
Yes. Convert without signup and avoid watermarks.
Frequently Asked Questions (FAQs)
Is this a free online BMP to ICO converter without watermark?
Yes. Our BMP to ICO converter is free and does not add watermarks to your ICO files.
What is an ICO file used for?
ICO files are used for Windows desktop icons, application icons, and the classic favicon.ico file used by many websites.
What icon sizes should an ICO contain?
A solid ICO often includes multiple sizes such as 16x16, 32x32, 48x48, and 256x256 so Windows can pick the best size for each view.
Why convert BMP to ICO instead of PNG?
ICO can store multiple icon sizes in one file and is the native Windows icon container, while PNG is a single-size image format.
Can I create multiple ICO files from multiple BMP images?
Yes. If multi-upload is enabled in InputFile, upload multiple BMP images and download an ICO for each image.