Tool for converting and manipulating bitmaps (png, bmp, jpg, tiff, gif, pvr, dds).

• Mac: bitmaptool-mac.zip
• Windows (32 and 64-bit): bitmaptool-windows.zip

You will need to unquarantine the Mac binary, or the zip file if it wasn’t decompressed:

xattr -r -d com.apple.quarantine bitmaptool