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ICO is a container format that can contain multiple icons.

This is a batch script to extract icons from ICO files, and optionally convert them to any format.

1. Install ImageMagick, if you haven't already.
2. Download extract_icons.bat to any folder.
3. (Optional) If you want to be able to use this script in the command line from any folder like a normal program, add the script's folder to your Path environment variable.

Run the script in a command prompt.

Usage:extract_icons {input_file} [outfiles_format]

{input_file} is the file you want to extract from.

[outfiles_format]: Optional parameter. If you want to convert all icons to a perticular format, specify it here, after{input_file}. If not specified, the icons will only be extracted, not converted.

If ImageMagick gives you an error, it might be that the file only contains one icon.

As a fallback, you might want to convert the file instead:magick {input_file} {output_file}

Example:magick my_icon.ico my_icon_converted.png

If you want to put one or multiple images into an ICO container (assemble into one ICO file):

1. Put all pictures alone in one folder.
2. In that directory, runmagick * {output_file}