Add rotation to each page's existing angle
Merge accepts up to 20 PDFs; every other tool accepts one PDF. Each PDF is limited to 50 MiB, inputs are limited to 200 pages, generated downloads are limited to 100 MiB, and each run has a 60-second cancel/timeout boundary. Password-protected PDFs are rejected; these tools do not remove passwords. Unselected pages retain their angle; no broader content reorientation is claimed.