If you are an expert computer user with knowledge of how to use the command prompt, and you would like a free open-source photo manipulation tool, consider trying out ImageMagick. This command-line tool, available for many operating systems including Windows and Unix, can perform the following tasks, among others:

* Convert images between JPG, TIF, BMP, and other types
* Resize, rotate, and crop images
* Create a montage or contact sheet suitable for printing or website use
* Apply special image effects such as charcoal, blur, emboss, and edge detect
* Annotate images with varying text font and sizes

This tool is especially useful when batch processing a directory or folder full of images.

Downloads and documentation are available on the ImageMagick website:

ImageMagick - http://www.imagemagick.org/

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