Large means memory, not a different algorithm
Cloned SEO copy loves “dedicated VPS workers” on every spoke. This tool is Instant pdf-lib. The honest large-file story is: try local, upgrade when the pack overwhelms the tab, still no server OCR. Compress is the VPS product if size in megabytes is the remaining issue after you trim pages.
Trim before you suffer
Drop empty pages locally. Reorder what is left. Rotating 400 thumbnails on a phone is misery — use a laptop.
What Premium buys
Capacity for massive stacks and the advanced tools named in the banner (Redact/OCR as separate products). Not a different shuffle encoder.
Privacy
Instant path: no upload. Follow the UI if a huge pack takes a different capacity path — we will not invent Ghostscript for page order.