PDF Fundamentals Articles

A plain-English guide to vector vs raster PDFs: how they differ, how to tell which you have, and why it changes how the file scales, prints, and edits.

How the PDF went from a risky Adobe research project to the document format that runs on nearly every device on Earth.

A plain-English comparison of PDF and XPS: what each format does, how they differ, and which one is the safer choice for sharing and saving documents today.

A plain-English guide to PDF vs Word: how the formats differ, when to use each, and whether to send a PDF or an editable Word document.

A plain-English comparison of PDF and PNG, covering quality, text, file size, transparency, and exactly when to reach for each format.

A clear, practical guide to PDF vs JPG: what each format is good at, when to choose one over the other, and how to convert between them quickly.

A plain-English guide to PDF vs Excel: what each format is good at, when a spreadsheet should become a PDF, and when it absolutely should not.

A plain-English comparison of PDF and EPUB for e-books and reading, with a clear breakdown of when each format wins and how to switch between them.

PDFs can carry malware through embedded scripts, malicious links, or risky attachments. Here's what's actually dangerous, what's overblown, and how to stay safe.