BMP to ICO
Convert BMP images to ICO format online. Fast, free, and secure - all conversions happen in your browser.
BMP
ICO
Drop your BMP here
or click to browse from your computer
Your files never leave your device
How to Convert BMP to ICO
1
Upload your BMP file
Click the upload area or drag and drop your BMP image. Batch mode supports up to 20 files at once.
2
Adjust settings (optional)
Set output quality with the slider. The target format is already set to ICO — change it anytime.
3
Download your ICO file
Click Convert, then download instantly. Everything runs in your browser — your images never leave your device.
Convert BMP to Other Formats
Frequently Asked Questions
BMP is an uncompressed raster format native to Windows. Files are large but contain no compression artefacts, preserving every pixel exactly. It is commonly used for Windows applications and raw image storage.
ICO is the format used for browser favicons and Windows application icons. A single file can contain multiple sizes (16×16, 32×32, 64×64) for different display contexts. It is best suited for website favicons and application icons.
No quality is lost. Both BMP and ICO use lossless compression, so every pixel is preserved exactly during conversion.
Yes. ICO supports transparency (Yes), so any transparent areas in the source image are preserved in the converted file.
Choose ICO when you need website favicons and Windows application icons. Stick with BMP when Windows applications and uncompressed storage is the priority for your use case.
Yes. The conversion runs entirely in your browser using JavaScript. Your images are never uploaded to any server, so your files stay completely private and processing is instant.