Author Archives: Karl Heinz Kremer

EAN/UPC Barcodes in PDF Forms

Something interesting came up recently, and it took me a bit longer than expected to actually make it work… I was asked about how one would add EAN13 or UPC barcodes to a PDF form. My shooting from the hip … Continue reading

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Page Splitter – For The 3rd Time – Splitting Tri-Fold Brochures

We’ve covered page splitting before, see these two articles for some background information: Splitting PDF Pages Page Splitter Redux Both these posts deal with splitting a page into halfs, this tine we can to look at how to split a … Continue reading

Posted in Acrobat, JavaScript, Programming, Tutorial | Tagged , , , , , | 3 Comments

The PDF Time Machine

Have you ever – by accident – modified a PDF file and then hit the save button before you were able to make a copy of the unmodified document? It seems like the only way back is to either restore … Continue reading

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Connect to Database from PDF Form – This Time Without SOAP

I wrote about how to get data from (or to) a database from a PDF form using SOAP a while ago. Using SOAP poses a problem when you want to make such a solution work with the free Adobe Reader. … Continue reading

Posted in Acrobat, PDF, PHP, Tutorial, Web Server | Tagged , , , , , | 8 Comments

Remove Content from PDF Files Using Acrobat’s Preflight

Have you ever tried to selectively remove content from a PDF file? There are a number of ways you can approach that: Use “Tools>Edit PDF>Edit” and select the content in question, then press the Delete key Use the “Contents” navigation … Continue reading

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Scaling Page Content in Adobe Acrobat Pro DC

Before Adobe Acrobat Pro DC, it was not possible to scale pages from e.g. 5×7″ to Letter size, or form A4 to A5 by changing both the page size, and scaling the page content to fit the new page size. … Continue reading

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Clear Image Field in PDF Form With Acrobat’s JavaScript

You’ve probably heard by now that the latest release of the Adobe Acrobat DC subscription version comes with a couple of new form field types (see here for more information). Image fields are not new, but they are now much … Continue reading

Posted in Acrobat, JavaScript, Programming, Tutorial | Tagged , , , | 6 Comments

What Are You Interested In? Last Year’s Top Ten Pages

I am always interested in what article on my blog are the ones that remain popular over time. Here is last year’s top ten list: # Page Name / Link Page Views (Percent) 1 Duplicate a Page in Adobe Acrobat … Continue reading

Posted in Blogging, Misc | 2 Comments

Rotate PDF Fields in Adobe Acrobat Using JavaScript

Have you tried to rotate a field in a PDF form after it was created in Acrobat? If so, you may have scratched your head a bit. Before we get to the how, let’s first talk about the why: When … Continue reading

Posted in Acrobat, JavaScript, PDF, Tutorial | 13 Comments

New Form Field Types in Acrobat DC: Image Field and Date Picker

This morning Adobe released an update for the “Continuous” track of Adobe Acrobat DC – this means that anybody with a subscription will be able to install this update and get new features. There are a number of new and … Continue reading

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