Upload a PDF, choose the target page size and margin, then download. Each original page is scaled to fit and centred on a fresh standard-size page.
Mixed or unusual page sizes can print or combine badly. Normalising every page to A4 or Letter makes a document consistent and print-ready.
No. Each page is scaled uniformly to fit the target size while keeping its aspect ratio, then centred, so nothing is distorted.
The target page keeps the size you choose. Landscape source pages are scaled to fit within it and centred, leaving even white space above and below.