Convert ICO to BMP
Free, fast and secure — convert ICO to BMP right in your browser.
Convert ICO to BMP with a solid background
Converting ICO to BMP flattens transparency onto a solid background, producing a Bitmap image that displays consistently wherever transparency is not supported.
How to convert ICO to BMP
- 1 Drop your ICO file into the converter above.
- 2 It is converted to BMP automatically — no settings to fiddle with.
- 3 Download your new BMP file instantly.
ICO vs BMP
| Feature | ICO | BMP |
|---|---|---|
| Compression | Lossless | Lossless |
| Transparency | Yes | No |
| Animation | No | No |
| Type | Raster | Raster |
| MIME type | image/x-icon | image/bmp |
| Best for | Website favicons and Windows app icons — usually made from a PNG or SVG. | Legacy Windows workflows and cases where an uncompressed, exact bitmap is required. |
About the formats
Icon (ICO)
ICO is the Windows icon format, used for app icons and website favicons. A single ICO file can bundle several sizes so the right one is shown at each scale.
Strengths
- The standard for website favicons
- Bundles multiple sizes in one file
- Supports transparency
Limitations
- Tiny dimensions only
- Not for general photos
- Limited editor support
Best for: Website favicons and Windows app icons — usually made from a PNG or SVG.
Bitmap image
BMP is an uncompressed raster format from the Windows world. It stores raw pixels with no quality loss, producing large but perfectly exact files.
Strengths
- Completely lossless, raw pixels
- Simple, widely readable on Windows
- No compression artefacts
Limitations
- Very large file sizes
- No transparency or animation
- Rarely used on the modern web
Best for: Legacy Windows workflows and cases where an uncompressed, exact bitmap is required.