Convert WI to BMP

Understanding WI and BMP file formats

WI files are proprietary image files used primarily in classic video games, such as those from Blizzard Entertainment (notably Diablo). These files store sprite or animation data in a format optimized for fast rendering in games, but are not widely supported by standard image viewers or editors.

BMP (Bitmap) is a widely recognized raster image format developed by Microsoft. It stores images as uncompressed pixel data, making it compatible with almost all image editing and viewing software. BMP files are commonly used for high-quality images where file size is not a primary concern.

Why convert WI to BMP?

Converting WI files to BMP allows you to view, edit, or share game graphics using standard image software. This is especially useful for modders, game developers, or enthusiasts who want to extract and repurpose game assets.

How to convert WI to BMP

Since WI is a specialized format, you will need dedicated tools to perform the conversion. The best approach is to use software designed for handling game assets from titles like Diablo.

Recommended software for WI to BMP conversion

• WinMPQ: A utility for extracting and converting files from Blizzard game archives. It can open WI files and export them as BMP images.
• XnConvert: While not supporting WI natively, it can be used in combination with plugins or after extracting WI files to a more common format.
• Game graphic rippers: Tools like Dragon UnPACKer or Game Extractor can sometimes extract and convert WI files to BMP.

Step-by-step conversion using WinMPQ

1. Download and install WinMPQ.
2. Open WinMPQ and load the game archive containing the WI files.
3. Locate the desired WI file in the archive.
4. Select the WI file and use File → Extract to save it to your computer.
5. Use WinMPQ's built-in conversion or a compatible plugin to convert the WI file to BMP format.
6. Open the resulting BMP file in any standard image viewer or editor.

Tips and considerations

• Some WI files may contain multiple frames or animations. You may need to extract each frame separately.
• If WinMPQ does not support direct conversion, look for community plugins or scripts tailored for your specific game.
• Always keep backup copies of original WI files before conversion.