Type the scale, resolution and minimum and maximum pixels you want to apply to any images in your PDF. Open the PDF you want to resize and apply the Reduce File Size Copy filter as described in the steps 6 and onward of the previous section. Click the location on your hard drive where you want to save the PDF, such as "Desktop" or "Documents.
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We only recommend this method, when no other option is available. The Next most convenient way to compress PDF is to use an application. These are a well-built piece of code that does the job effectively and without any hassle. I found a couple of apps for each platform and have listed the best one of the lot for each category. These applications compress your Pdfs and optimize for various portals and websites. It compresses your PDFs files instantly and lets you share it over emails, Whatsapp, and cloud. Instead of compressing each file individually, you can archive all the files and compress the entire folder.
The files would be significantly compressed without losing any data to the compression. You can also password protect the Zip archive. Though PDF itself can be password protected, it makes sense to lock the entire building instead of individual rooms. Windows and Mac have inbuilt Zip archiving tools, but there are more advanced tools available online.
How to Compress a PDF on Mac
Rarzilla, WinRar, and 7-zip are some of the most popular archive tools that are available which compress your files with ease. I compressed a bunch of Pdfs and the size before that was 20MB. Meaning: most of the time the savings gained might be very good, but sometimes the file size even increases. Ghostscript is available through a number of venues for macOS. If you created the PDF yourself then it would be obviously best to losslessly reduce the images before including them into the document the PDF.
Then select the Filter in Preview's Export. As per michalczukm answer, a quartz filter can solve this. I had created my own and shared it on Github. You can install it easily with a single command line. It doesn't install any software, just the quartz filter only.
The PDF quality is still really good even after the compression. If you have a pdf which is version 1. Preview will save the file as a 1.
Shrink PDFs without losing quality for easy emailing, with ColorSync Utility
As far as I can tell there is no loss of quality. No need to use the export - reduced file size unless you want further savings. Sign up to join this community. The best answers are voted up and rise to the top.
How to compress PDF file on Mac | Reduce PDF file size on Mac
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Asked 1 year, 11 months ago. Active 4 months ago. Viewed 13k times. Background I want to decrease size of the.