Convert PDF to TIFF on Mac OS X is a Scripts software developed by Dinu Gherman. After our trial and test, the software is proved to be official, secure and free. Here is the official description for Convert PDF to TIFF on Mac OS X:

MarydownEditor: This is a very short Code Snippet illustrating how to convert individual pages of PDF documents to TIFF files, one TIFF file per PaGE. It works only on Mac OS X with PyObjC installed. As a recipe the code is Compact and does not check for many error conditions, etc. The more extended version does so and can also be used as a command-line tool.