Learn the Ins and Outs of PDFs
We are here to help you become a PDF expert. We want to provide you with the tools and skills you need to tackle PDF-related tasks with confidence and ease.
Product updates
PDF Web Viewer now optimized for mobile devices and available at npmjs.com
Tech corner
Image detection in scanned images
Detecting pictures in scanned document pages has many advantages such as better compression rates and the possibility to extract them individually.
Product updates
Understanding the Nuance of PDF/A Archiving Formats: Spotlight on PDF/A-1 vs. PDF/A-2 in the PDF Tools Conversion Service
Tech corner
Font subsetting - how it works and when to use
In order to reduce the file size PDF producers use a technique called font subsetting. What does exactly happen with the fonts and what are the consequences?
Product updates
With Web Client testing conversion service is now even easier
We have made it even easier for you to test and evaluate the 4-Heights® Conversion Service – with a Web Client. Now you can try out the GUI client of Conversion Service conveniently in your browser and without installati ...
Tech corner
Digital signatures in PDF/A
Digital signatures are still not very widely used and the the knowledge about them is often fuzzy. This article tries to give an overview about this huge and complex topic.
Product updates
Streamline Document Management: Combine Documents Multiple Sources into a Single, Archive-Ready PDF Portfolio using the PDF Tools Conversion Service Dossier Workflow
Tech corner
Automating the conversion of Microsoft Office Documents to PDF/A
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 configurati ...
Product updates
New workflow in Conversion Service: Invoice PDF/A-3
As announced in the May issue, we present the “Invoice” workflow of our 4-Heights® Conversion Service in more detail today.
Tech corner
Can I trust PDF validation software?
If I use validation software from different manufacturers I sometimes get different results. Why can this happen? Does it mean that I can't trust the software? What can I do about it? I hear these and more questions very ...
Product updates
New workflow in Conversion Service: Archive PDF/A-3
Like the existing and more restricted "Archive PDF/A-2" workflow, the "Archive PDF/A-3" workflow is specially designed to prepare documents for archiving.
Tech corner
The discipline of converting PDF to PDF/A
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 ...