Convert ICO to BMP on Mac
Convert ICO files to BMP format on your Mac with Jollycat. Windows icon format containing multiple image sizes in a single file. Required for Windows application icons and favicons. Note: transparent areas will be flattened since BMP doesn't support transparency. All processing runs locally on your Mac — no cloud processing and no uploads required for conversion.
ICO vs BMP
| Property | ICO | BMP |
|---|---|---|
| Type | lossless | lossless |
| Compression | PNG or BMP embedded | Uncompressed or RLE |
| Transparency | Yes | No |
| Animation | No | No |
| Bit Depth | 8/32-bit | 1/4/8/24/32-bit |
| File Extension | .ico | .bmp |
| Key Advantage | Multiple sizes in one file | No compression artifacts |
How to Convert ICO to BMP on Mac
Open your ICO file
Drag and drop your .ico file onto the Jollycat icon in your macOS dock or menu bar. Jollycat instantly detects the format.
Select BMP format
Pick BMP from the list of output formats. Optionally adjust quality, resolution, or compression settings.
Convert and save
Click Convert and Jollycat processes the file instantly on your Mac. No uploads required, no waiting — everything runs locally on Apple Silicon.
When to Convert ICO to BMP
BMP advantages
No compression artifacts. Simple format.
ICO limitations
Limited to 256x256. Windows-centric format.
Common use cases
Legacy software compatibility, Uncompressed image storage, Windows clipboard.
ICO to BMP Conversion Tips
ICO supports transparency but BMP does not. Transparent areas will be filled with a solid background color.
BMP stores raw pixel data with minimal compression, making files typically 3-5x larger than PNG.
Frequently Asked Questions
Is the ICO to BMP conversion free?
Jollycat is a one-time purchase for $9.99. Once purchased, you can convert ICO to BMP and use all 1,650+ conversion paths with no limits.
Does converting ICO to BMP require an internet connection?
No. Jollycat processes everything locally on your Mac. Your ICO files never leave your device — all conversion happens offline using Apple Silicon.
Can I batch convert multiple ICO files to BMP?
Yes. Drag multiple ICO files onto Jollycat and convert them all to BMP at once. Batch processing is built in.
Ready to Convert ICO to BMP?
Jollycat handles ICO to BMP conversion and 1,650+ other format conversions. All offline on your Mac.
Get Jollycat for Mac