To save storage space, you can compress a PDF in Preview. Open the PDF, then choose File > Export. Click the Quartz Filter pop-up menu, then choose Reduce File Size.
Note: when compressed, the PDF may be of lower quality than the original.
I usually write a blog post about once a week. The latest post can be viewed here: Are We the Baddies?: Maybe you should ask yourself: are we the baddies? (posted 2025-11-24 at 17:01:10). I do podcasts too!. You can listen to my latest podcast, here: OJB's Podcast 2025-11-06 Democracy v Bureaucracy: It's not left versus right which I am complaining about: it is bureaucracy versus democracy!.