Uploaded February 2026 | Updated September 2026, 2 weeks ago

---

To add a new page into an existing PDF on a Mac, make a PDF with just the new page in it. Then open both in Preview, and you can drag that page over.

LINKS:
Buy Me a Coffee: https://coff.ee/williamgallagher

Support 58keys on Patreon: patreon.com/user?u=86274276J
oin the Writer's Mailing list too: eepurl.com/gQTqTT

Buy my book on Amazon US: amzn.to/3KhF19P
Or Amazon UK: amzn.to/3IzZm94

Watch the 58keys Writing Workshop videos: youtube.com/playlist?list=PLCtk0vyOGM40dh0gwg17tWI70Y1Qhh4Sj&si=qa8uc8vtOxHs9dlg

If you buy through my Amazon links, they may chuck me a penny or two. Or they won't. Either way, it will never cost you anything extra.