Preparing PDFs for Print and Web: A Practical Guide

A PDF that looks perfect on your screen doesn't always behave the same way once it reaches its destination. Send it to a printer expecting a different regional paper size and margins shift unexpectedly. Post it on a website without a thought to file size and it loads slowly on mobile. The fixes for both are simple, but they're easy to overlook until something already looks wrong.

This guide walks through preparing a PDF for two very different destinations — a printer and a web page — and the handful of adjustments each one benefits from.

Getting a PDF Ready for Print

Match the Paper Size to Where It's Actually Being Printed

The most common print surprise is a page-size mismatch: A4 (used across most of the world) and US Letter (used mainly in the United States and Canada) are close in size but not identical, and a document formatted for one can print with unexpected margins or scaling on the other.

Resize PDF rescales every page to a standard size — A4, US Letter, US Legal or A3 — fitting existing content to the new dimensions. Use it whenever a document is heading to a printer or a country that uses a different standard size than the one it was originally created in.

Don't Sacrifice Quality for a Smaller File — Unless You Need To

For print, image quality matters more than for casual screen viewing, since flaws that are invisible on a monitor can show up clearly on paper. If a document needs compressing before it can be emailed to a print vendor, use Compress PDF's Best Quality preset rather than the smallest setting — it keeps images much closer to their original resolution.

Standardize Mixed-Source Documents

A document assembled from several scanned sources — some at A4, some at Legal — will print inconsistently unless every page is brought to the same size first. Run the assembled document through Resize PDF once, after merging, so every page ends up at a uniform size before it goes to the printer.

Getting a PDF Ready for the Web

File Size Is a Loading-Speed Problem

A PDF linked from a website is downloaded in full before a visitor can read it — a large file means a slow, frustrating wait, especially on mobile connections. Compress PDF's Balanced preset is usually the right choice here: a substantial size reduction with no meaningfully visible quality loss on a screen.

Consider Whether You Need a PDF At All

Not every piece of web content needs to be a downloadable PDF. If what you're really publishing is a single image — a chart, a diagram, an infographic — exporting it directly as an image with PDF to PNG (for crisp line art and text) or PDF to JPG (for photographic content) often makes more sense than asking visitors to download and open a separate PDF viewer.

Choosing Between PNG and JPG for Web Images

Resolution: More Isn't Always Better

Exporting at 300 DPI ("print quality") for something that will only ever be viewed on a screen just produces a needlessly large file with no visible benefit. For web use, 96-150 DPI is normally indistinguishable from higher resolutions at typical screen viewing sizes, and loads considerably faster.

A Quick Decision Guide

Related Reading

For the size-reduction side of this topic in more depth, see the complete guide to compressing a PDF without losing quality. For background on the underlying page-description technology, see Wikipedia's entry on PDF.

Have a document to prepare right now? Resize PDF, Compress PDF, PDF to JPG and PDF to PNG are all free to use, with no signup required.