2 Ways To Compress PDF Files On a Mac

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Hi this is Gary with MacMost.com. Today let me show you several methods of compressing PDF files on your Mac. MacMost is brought to you thanks to a great group of supporters. Go to MacMost.com/patreon. There you can read more about it. Join us and get exclusive content. You don't need anything special to be able to compress PDF files on your Mac. You can simply open them up in Preview and there's a special way to export them that compresses the images inside them. However the image compression settings aren't the greatest and it takes several steps. I'll show you how to build something in Automator that could do it quickly and also allow you to customize the compression. So here I've got a sample PDF on my desktop. I can open it up and you can see it's just a sample electric bill. I scanned it in using my iPhone. The file size is a little bit bigger than I like. I'm going to do Command i to get information and see that it's 6.8 MB. It can definitely be smaller. So let's go and open it up in Preview by simply double clicking it. All you need to do to compress this is go to File and then Export. Not export as PDF. Not Save but Export. You'll get an option here for Quartz Filter. So you want to make sure you selected PDF as the Format and Quartz Filter has Reduce File Size by Default as a filter. So now when I save it out I'm going to save it with another file name. I'll hit Save and let's look at that file. Do Command i and I'll see that it's 55KB. That's quite a size reduction. But if I look at it I can see the quality is pretty bad now. So it compressed it a little bit too much. Now those quartz filters are things that you can create. For that you need to use an app called ColorSync Utility. It comes with your Mac so just Search in Spotlight for ColorSync Utility and go to Filters. Here you'll see the filters that you saw there when you were exporting from Preview. So let's add our own. I'll hit the Plus button here and I have one called Reduce PDF File Size Better. Then I'm going to click here and I'm going to go to Image Effects Component and Image Compression. Then I'm going to set Image Compression to be JPEG and set the Quality to something better than this middle. I'm going to go somewhere between halfway and all the way. So about ¾, about 75%. That should give us some decent compression without getting rid of quality. So now that should be Saved automatically. So I'll Quit ColorSync Utility and I will open up the original PDF again. I'll go to File, Export and I'm going to select Quartz Filter and instead of Reduce File Size I will look for mine that I just created, Reduce PDF File Size Better. Then I will Save it out using another file name. So a third version of the file. Then I will go and get information on that and see that it's 1.1 MB. So quite a significant savings over the 6.8 for the original file. But when I look at it the quality is pretty good. It actually looks almost just as good as the original quality. So next let's run Automator and I'm going to create a Quick Action in Automator. I'm going to add the ability to do these filters right here so I don't have to go into Preview. I'm going to create a Quick Action that will apply one of these filters without having to go into Preview. So I'm going to set this as Workflow receives current and it says automatic. I'm going to go and change it to Pdf file. Then I'm going to say Just in the Finder. Then I'm going to search over here for quartz and you can see I've got Apply Quartz Filter to PDF document. So that's the one I want. I'm going to drag it into here. Then it's going to say, oh this is going to change the file so do you want to do a copy. You know what? I'm not going to do that for this but you can do that if you want to save the original and then have a copy. I'm going to just Not Add that make a copy. Then I'm going to choose a filter and I'm going to select the one we created. I could choose Reduce File Size. The original one but I'm going to do the one we made. Now I'm going to Save this and just name it Compress PDF and save it as a Quick Action. Now that it's saved as a Quick Action I can access it many different ways. One of those is to Control click on the File and then go to Quick Actions and I should see it there. I'm going to select it and it is automatically going to apply that. You saw briefly there was a little gear up there saying it was working. Now if I get information on this original file you can see it's 1.1 MB. It actually changed the file right there in place. It's also easy to get to if you're here in the Finder in a regular window and you can select the file and you can see these Quick Actions here. I can click on More and do Compress PDF. I can also customize if I'm using this a lot. I can go to the Finder here and I can move Compress PDF up to the top here. You can see that puts it in the first slot. So now all I have to do is select File and then Compress PDF right here in the Finder and it does it for me. Notice when I created that Quartz filter there were other options. I could have had convert PDF to black and white. I could have also created multiple filters to use in different situations. So if I'm scanning something that has a lot of images in it and I want it to be compressed but still keep some good image quality I could choose one filter. If I want to compress them and it's not as important and it's mostly just black and white text I could select another filter. In Automator in addition to doing Quick Actions you can make an application so you can just have it drag and drop onto an application. You can also do it as a folder action so any PDF that you put into a specific folder automatically gets compressed.
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Channel: macmostvideo
Views: 176,707
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Keywords: how to compress pdf mac, compressing pdfs on mac, compress pdf mac, compress pdf files on mac, mac compress pdf, shink pdf files, compress pdf, PDF, compress, file size, shrink, Preview, Automator, Quick Action, Quartz Filter, compression, Mac, MacMost, pdf file size, pdf compression, pdf compression mac, make pdf files smaller, compress pdf file size, compress pdf file size without losing quality, compress pdf file, compress pdf file size mac, compress pdf file size offline
Id: _8D0UeiWD84
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Length: 5min 57sec (357 seconds)
Published: Tue Dec 17 2019
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