How to prepare a PDF for printing
Printing is where hidden problems in a PDF finally become visible. A file that looks perfect on screen can come back cropped, rotated, or soft. Five checks catch almost every one of those failures before you pay for them.
Drag and drop here, or choose from your device.
Up to 50 MB per file. Files are processed in your browser.
Full options and FAQs on the Rotate PDF page.
The five checks
- Page size: every page should be the same size, and that size should match what the printer expects — A4 in most of the world, US Letter in North America. Mixed sizes cause automatic scaling.
- Orientation: pages scanned or exported sideways will print sideways. Rotate them in the file rather than relying on the print dialogue.
- Margins: keep essential content at least 10 mm from the trim edge. Office printers cannot print to the edge at all.
- Bleed: if a background colour or image should run off the edge, it must extend about 3 mm beyond the trim line, otherwise you get a thin white sliver.
- Resolution: images should be around 300 DPI at their printed size. A screenshot at 72 DPI looks fine on screen and soft on paper.
Rotation is not what it looks like
A PDF page carries a rotation value separate from its content. Some viewers apply it, some print applications ignore it, which is why a page can appear upright on screen and print sideways.
Fixing this properly means writing the rotation into the file and saving it, rather than turning the view. Do that once, in the document, and every downstream application behaves.
Before you send it to a print shop
Print one copy on your own printer first. Nothing reveals a margin problem faster than the real thing. Check the first page, the last page, and any page with a full-bleed image.
Send the uncompressed version to a professional printer. Compression aimed at email is the wrong trade-off for print, where you want the image data intact.
Step by step
- 1Open the PDF and confirm every page has the same size and orientation.
- 2Use the tool below to rotate any sideways or upside-down pages and save the change into the file.
- 3Check margins on the busiest page — nothing critical within 10 mm of the edge.
- 4Print a test copy at home before committing to a paid print run.
- 5Send the full-quality file, not a compressed copy, to the printer.
Frequently asked questions
- Why did my printed PDF come out smaller than expected?
- Almost always a page size mismatch — an A4 document printed on Letter, or a print dialogue set to 'fit to page', which scales everything down slightly.
- Does rotating pages reduce quality?
- No. Rotation changes a value in the page's metadata; the content is untouched, so text stays sharp and selectable.
- What DPI do I need?
- 300 DPI at final printed size for photographs and detailed graphics. Line art and text benefit from more, but text in a PDF is usually vector and prints sharply at any size.