GUIDE深度 · Deep dive
Choosing a PDF Page Tool
Page operations have an order: merge/organize first, remove blanks, rotate, then add page numbers last so numbering does not break after deletion. Export a new file at each step and keep the original, so you can go back if a page is removed or rotated incorrectly.
Merge/reorder.
Delete/rotate.
Add page numbers last.
New filename per step.
Keep originals/versions.
FAQ
Why numbers last?
Delete/reorder changes numbering, so last is easiest.
Can I do it in one step?
Separate steps are safer and checkable.