The next time you start Preview and export a PDF you see the new Quarz filters. See also the excerpt from one of the Quartz filter files: For my three levels I do use the following values. $HOME/Library/Filters/reduce_file_size_best.qfilterĮdit the three files with your favourite text editor and adjust the values for Compression Quality, ImageSizeMax and Name for the filter. $HOME/Library/Filters/reduce_file_size_better.qfilter $HOME/Library/Filters/reduce_file_size_good.qfilter Just take the default Quarz filter definition file as a template.Ĭreate a new folder for the user defined filters:Ĭreate new files for good, better and best image compression:Ĭp "/System/Library/Filters/Reduce File Size.qfilter" \ But it is an easy task to create some custom Quartz filters for a less intense compression. The compression quality and ImageSizeMax are rather “comprehensive”. This is due to how the default quartz filter optimise the images.
are reduced too much, so that details are only poorly visible. But the image quality is way below optimal. The resulting PDF file is small enough (approx.
Just use the menu File/Export… and select the quarry filter to resize the document. Resizing PDF’s can be done out of the box with MacOS Preview.
Workflow to generate a PDF file out of PowerPoint document: But the generated PDF is an impressive 24MB. The PowerPoint file for the SOUG presentation is not too large (7.8 MB). It is still handy to have PDF with a reasonable size. Yes, yes, “space, the final frontier…” 🙂 But that’s an other story. One could now object that nowadays space is no longer a problem. But then I’ll either have low quality images in my presentation or I have to maintain two presentation files, one for high quality and the other for distribution. Ok, I could reduce the images size in my PowerPoint presentations. However, from time to time the output gets quite large. The built-in functionality for printing and saving as PDF is generally sufficient. I prefer to do this with a minimal amount of extra tools. The same a couple of weeks ago when I finished my presentation on Oracle Transparent Sensitive Data Protection at the SOUG day in Baden-Dättwill. Once and a while I have to create PDF’s out of my PowerPoint presentations.
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