All you need to do is to upload your PDF file to FlippingBook, and in a couple of minutes you will get a direct link to your document. That’s it—now you can share it via email, website, messengers, or ...
Use Preview: Open the PDF in Preview, click File > Export, select “Reduce File Size” under Quartz Filter, and save. Use ColorSync Utility: Open the PDF in ColorSync Utility, click File > Export, ...