If your PDF document has a lot of images of this type, it is possible that by simply reducing the scale of the images, you can drastically reduce the size of the file with no apparent change in quality. High-resolution images are often large files, and it is generally unnecessary for images to have such a high resolution. Next, I will give you some tips that can help you compress your documents without perceiving a quality reduction. However, this does not mean that the lost quality is noticeable. "Ĭompressing PDF documents without losing quality is theoretically impossible since compression consists of discarding information. Next, display the "File" menu and click on the option "Export as PDF. The first thing you have to do is open your PDF document with Preview. In this viewer, you will find a tool that will help you reduce the size of your PDFs without losing quality. Preview is a text and image viewer built into the macOS operating system. Once you agree with the quality of the compressed PDF, click on Save As, a function that allows you to rename the new compressed file. In case you find any interference, it is possible to go back to the compression settings and choose the best, the High option, since it provides the best compression results. You should confirm that quality has not been interfered with. The application will bring forth the original PDF and the compressed file. If you select the Low or Medium or High options, it is necessary to check the outcome. Since you would like to compress PDF without losing quality, it is advisable to select the High. An optimization window will pop up, whereby you should select the most suitable compression settings. Few choices will appear, here select “Optimized PDF”. A drop-down menu will appear, so choose “Save as Other”. To access these compression levels, go to the main menu at the window top and click on “File”. There are various compression levels, low, medium, and high, and so you must specify your choice. Alternatively, select the “Open File” option at the program’s bottom and include the respective PDF file.
#Compress pdf mac how to#
Also, do not forget to check out how to change the default PDF Reader on Mac, and how to share Apple Music Playlist with Friends on Mac.Launch the respective PDF by dragging and dropping it in the PDFelement for the Mac window, where it will open automatically. That is everything you need to know about how to reduce PDF files on a Mac computer. In the case of PDF documents with very heavy images, compression can be as high as 70%. The overall reduction that can be achieved depends on various factors, including of course the resolution of the images embedded in the original PDF.
To compress a file, just drag a PDF to be compressed into the “ColorSync Utility” or choose the “Open” item from the “File” menu.The filter will now be available at any time without having to recreate it from scratch. This is the option that normally allows you to reduce images without impacting too much on quality. Click on the triangle to the left of this name to show the compression options, move the quality slider to the intermediate position before the maximum. At this point, the “Image Compression” option remains.Delete the first line (just click on the “x” to the right of the name) You will see two options: “Image Sampling” and “Image Compression”. Click on the triangle to the left of the word “PDF Reduction”. Now you need to change the parameters of the filter you just created.Double click on the created filter to assign a new name and call it, for example, “PDF Reduction.”.Select the “Reduce File Size” item, click on the triangle to the right of the item and choose “Duplicate filter”.Select the item “Filters” in the toolbar.Open the ColorSync Utility application.
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