With Converter App, you can convert ICO files into many other formats:
ICO to PNG | ICO to JPG | ICO to WEBP | ICO to SVG | ICO to PDF | ICO to GIF | ICO to TIFF | ICO to PSD
→ All ICO Converters
If you want to keep working with your final BMP, try:
BMP to JPG | BMP to PNG | BMP to PDF | BMP to WEBP | BMP to SVG | BMP to TXT | BMP to ICO | BMP to XLSX
→ All BMP Converters