Learning Centers

PDF Preflight

Have you ever been shocked when you saw the final printed result of something you had designed or pulled your hair out because the perfect PDF file you just received doesn't behave as you expected? In this Learning Center at Planet PDF, Enfocus's David van Driessche explains why that happens and what you can do to again sleep well at night...

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 Enfocus: The  Creative & Print  Professionals.

About the Author

David van Driessche

David joined Enfocus Software as software developer in 1996 while the company was still in its infancy. He was soon promoted to Director of Software Development and became instrumental in building the company’s successful products. After the founder left Enfocus in 2003,...  More


What is PDF Preflight?

By David van Driessche

What is preflight and why would I want to preflight PDF files? Isn't PDF the perfect file format after all? Learn how preflight and PDF fit together and why it is a good idea to preflight PDF files.

What's the Problem With This PDF?

By David van Driessche

PDF files are ideal for graphic arts workflows, but... they have to be created properly! If that is not the case all sorts of things can go wrong; discover the ugly sides of a perfect file format.

Knowing What to Look For

By David van Driessche

Figuring out what to check for during preflight is not easy; isn't there someone out there who has done this before and can tell me what to do?

Preflighting PDF...Who, Where and How

By David van Driessche

You're ready to start preflighting PDF files? How you preflight and where in your workflow you do it might make all the difference!

I Have Problems

By David van Driessche

We all have... The important thing is to know where to get information to solve the problems you find during preflight and how to prevent them in the future.

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Five visions of a PDF Day

In the world of PDFs or as we like to say Planet (of) PDF, a year isn't a real PDF year without an intense few days of industry knowledge sharing.

May 15, 2018
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Adding a PDF Stamp Comment

OK, so you want to stamp your document. Maybe you need to give reviewers some advice about the document's status or sensitivity. This tip from author Ted Padova demonstrates how to add stamps with the Stamp Tool along with related comments.