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: Teach Skepticism: I am so skeptical I am even suspicious of myself! (posted 2024-10-23 at 09:03:06). I do podcasts too!. You can listen to my latest podcast, here: OJB's Podcast 2024-08-22 Stirring Up Trouble: Let's just get every view out there and fairly debate them..