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A PDF/A document requires that all resources such as fonts, color profiles, etc. must be embedded in the file. The archiving of transactional documents can be nightmare because such documents are usually short by nature and contain huge number of copie …

If you try to extract images from a PDF file it sometimes happens that you get a bunch of slices of the original image, mostly consisting of a few image rows per slice or, in extreme cases, just one row. Why is that and how can you get the entire image …

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In document processing, nothing works without meaningful metadata — at least not if you want to automate it. The XMP format is key.

A central service to convert Microsoft Office documents to PDF or PDF/A has obvious advantages. The conversion is done on an enterprise wide platform with well defined software versions and conversion process configurations. This guarantees a consisten …

If you use validation software from different manufacturers you sometimes get different results. Why can this happen? Does it mean that you can’t trust the software? What can you do about it? We hear these and more questions very often and we can under …

Do you sometimes get a little shock when you wanted to open a PDF file and the viewer only showed an error message? In some cases, however, the viewer can save the file and repair it, but often not. This experience made us think about a repair tool. Th …

I’m sure you’ve heard sometimes phrases like “a printer driver which is based Windows GDI can only reproduce RGB colors” or “if a printer driver isn’t built on top of the PostScript driver one cannot print EPS graphics”. There is no question that these …

We all know that the conversion one file format to another is not as easy as one might wish for and can lead to unpleasant surprises. However, it is hardly known that this is the case for the conversion from PDF to PDF/A. Why is that? Expert-Blog – dis …

The plan-box construction project room has been in operation for 12 years and proves its worth on a daily basis with more than 5,000 users and around 250 projects. Big-name customers use plan-box to manage large-scale construction projects with a const …

On an RGB screen or a CMYK laser printer spot colors cannot be displayed directly and must be emulated by converting them into their process color equivalent. The Separation and DeviceN color spaces provide tint transform functions to do so. However, w …


Interesting events
VIP Event 2018
Start: November 12, 2018
callas software

The VIP Event is an educational event organized by axaio software, callas software and Four Pees. It is an open event and a great opportunity for anyone who wants to acquire in-depth knowledge of and hands-on experience in callas pdfToolbox, pdfaPilot or pdfChip.


ISO TC 171 SC 2 “PDF Week”
Start: December 3, 2018

In December, 2018 the ISO committees for PDF, PDF/A and PDF/UA will gather in Edinburgh, Scotland for four days of meetings to advance each of these standards. The following committees will meet: ISO 32000 / PDF (WG 8) Work: Continued review of errata …


PDF Techniques Accessibility Summit
Start: December 10, 2018
Logo for the PDF Techniques Accessibility Summit

December 10-11, Edinburgh, Scotland Hosted by the PDF Association, this two-day, in-person event brings PDF accessibility experts together to assemble, review and endorse diverse examples of tagged PDF to establish a common understanding of what consti …