How to Convert ICO to BMP

ICO files store one or more icon resolutions in a Windows-specific container, while BMP is the simplest, most universally readable image format on Windows, supported by even the most minimal or older software. Converting ICO to BMP is useful when an icon needs to open in legacy applications or basic tools that have no ICO decoding support but can read virtually any BMP file.

Since BMP doesn't compress its data, expect the converted file to typically be larger than the original ICO, especially if the icon was a small, simple design.

1. Install Batchify Image Converter and Resizer Pro on your Windows PC.
2. Open the app and select Batch Mode for multiple files, or Individual Mode for a single ICO.
3. Drag your ICO file or folder into the app window, enabling recursive folder scanning if needed.
4. Set the "From" format to ICO and the "To" format to BMP.
5. Click Convert. BMP files are written to the output folder, fully offline.

• 100% offline — your icon and logo files are never uploaded anywhere
• Produces standard uncompressed BMP files readable by virtually any software
• Automatically extracts the largest embedded resolution from multi-size ICO files
• Bulk conversion of entire folders, including sub-folders, in one click
• Multi-core processing for fast handling of large batches
• Option to delete original ICO files automatically after conversion

If you only need straightforward format conversion without RAW or HEIC support, Batchify Image Converter and Resizer Lite covers this exact ICO-to-BMP conversion in a lighter, more focused app.