Standard paper creates consistent pages
A4 and US Letter make mixed images easier to print or submit, but can leave unused space around wide or tall sources.
Image-sized pages preserve aspect exactly
Matching page dimensions to each image removes padding, though a multi-page document can contain different physical page sizes.
Margins protect printable content
Home and office printers often cannot print to the edge. A modest margin also keeps scanned text away from page boundaries.
Pixels do not guarantee print quality
Large page dimensions can stretch a small image. Inspect fine text and signatures at the expected print size.
Use contain and cover for different jobs
Contain scales the entire image into the area inside the margins and may leave white space on two sides. It is the safer choice for forms, receipts, screenshots, and any scan where every edge carries information. Cover fills the printable box by enlarging the image and clipping overflow at the center. That can suit decorative photos, but it is risky for documents, faces near an edge, or photographed labels. This converter previews the first page; mixed source ratios still require checking every page in the downloaded PDF.
Diagnose a page that looks wrong
If the page is unexpectedly sideways, compare the image orientation with the chosen portrait, landscape, or automatic setting. If content is too small, reduce the margin or choose a page orientation closer to the image ratio rather than switching blindly to cover. If a standard paper page looks soft, the source may not contain enough pixels for the physical size; choosing image-sized pages changes the page geometry but cannot add detail. Always return to the original image for a revised export instead of converting a screenshot of the PDF.