Not really sure what it does to shrink it, but it works, especially if you have a good number of images that are eating up a lot of space. When you go to File – Print, choose Adobe PDF from the drop down list of printers:Īmazingly enough, I’ve been able to shrink a 20 MB PDF file down to 3 MB just by using this method. Basically, you open the PDF file in Adobe Reader and print it to the Adobe PDF printer.Ī lot of time this works really well and will significantly reduce the size of your PDF file. The easiest way to try and shrink a PDF file is to perform a little trick, which basically is printing the PDF document to a PDF file. You can also play around with the Image Compression and see what type of benefit you get. If you only need the PDF to view on a computer, 72 pixels/inch will greatly reduce the size of your PDF if the images are large. Here you can remove all values from Image Sampling and enter a value for Resolution. Note that adjusting settings here is only useful if you have a lot of high resolution images in your PDF file. Then, click on Filters and click on Reduce File Size. Just press Command + Spacebar and start typing colorsync. If you want to fine-tune it, you can open the ColorSync Utility. I was able to get a PDF file from 500 KB down to only 82 KB using this filter. Click on the drop down and select Reduce File Size.Ĭlick Save and you’re done. You’ll get a pop-up dialog and one of the options at the bottom is Quartz Filter. Now, click on File and then click on Export. In that case, just right-click and choose Open With. By default, PDF files will open in Preview unless you installed Adobe Reader or a third-party PDF viewer. Firstly, open your PDF file in Preview by just double-clicking on it in Finder. If you have a Mac, there is a great and easy way to significantly reduce the size of a PDF file using the built in Preview app. It also supports encrypted PDF documents and can work on a batch of hundreds or even thousands of PDF files at once. It supports lossless compression, so you should not see any reduction in the quality of the PDF.
#Reduce pdf file size on a mac for dummies download for windows#
PDF Compressor is a free program you can download for Windows XP/Vista/7/8 that lets you quickly and effectively reduce the size of one or many PDF files. Lightweight PDF is a free app, it can be downloaded from the Mac App Store.In addition, you can remove bookmarks, remove PDF layers, remove annotations, remove page labels and manually adjust the quality for color and monochrome image compression. During my tests, the app was able to reduce the file size by more than 70% on some of the documents, without any noticeable loss in quality. The file is compressed in-place and the reduction can be substantial. The app has a small window which accepts any PDF you can drop into it. The developer then decided to create Lightweight PDF. João was looking for a simple, free utility that would allow him to compress files directly on Mac, without any hassle. There are many on-line services that can do that, but there are privacy concerns when using those, since PDFs can often contain sensitive data.Īpple’s desktop OS offers many built-in options for PDF compression, but they can be tricky to use for those who are not familiar with Apple Script, the creation of Automator workflows or with using Quartz filters in the print dialog. When working with PDFs, sometimes it’s necessary to reduce their file size so they can be uploaded somewhere or sent over e-mail.
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