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.
Tech corner
Is JBIG2 soon banned?
JBIG2 is a compression algorithm for bitonal images and has been developed to replace the widely used CCITT G4 algorithm because it can reach better compression ratios. However, the algorithm has received a bad reputatio ...
Tech corner
The problem with embedded fonts in PDF mass printing applications
PDF is more and more finding its way into mass printing applications. However, PDF spool files often ask too much from a print engine resulting in aborts or, even worse, incomplete prints which may not be noticed. What i ...
Tech corner
Replacing rich black by true black in PDF documents
When it comes to printing then all colors in a PDF document are transformed to the native color space of the printing device. If, e.g. a text uses a black RGB color then it is transformed to an equivalent CMYK value whic ...
Tech corner
Inline images and Type 3 fonts
I often hear that the inline image construct is a major flaw in the design of the PDF page description language. Inline images are an often used feature in Type 3 fonts. However, the stomach pain of some experts even cau ...
Tech corner
How to render the text of a PDF document if the font is not embedded?
Every developer of a PDF viewer, a PDF printer and a PDF to Image Converter tool comes across the requirement to render non embedded fonts and is facing quite a challenging task. Not only developers but also users of the ...
Tech corner
Using blockchains as an alternative to PKIs for digital signatures
The traditional technical environment for a digital signature is the public key infrastructure (PKI). Digital signatures are also used to implement electronic money such as Bitcoin. However, Bitcoin uses a new technology ...
Tech corner
Mastering Document Archival: using PDF Tools' Conversion Service to transform Word and other Desktop Apps to PDF/A
How to use
Maintenance and support
We offer a range of services in addition to our mature products. We can fall back on broad experience in the field of technology and with regard to business administration issues. Over the years we have created customize ...
How to use
License Management
Read more about how to manage, activate and troubleshoot your Pdftools license.
Tech corner
The Quality Gate in the digital age – safeguards the quality of your documents
Safeguarding document quality is vital in any business, especially when it comes to sharing documents or digitally archiving them, and specifically if the documents might one day be needed for an audit or a legal issue. ...
Tech corner
Compression and Optimization – reduce your files to the max
There is no question – storage space is now cheaper and more available to everyone. Neither hardware nor storage costs seem offputting at first. But the volume of data being handled is already massive – and increasing ev ...
Tech corner
SAP Folders Management extended by new functionality of 3-Heights® Document Converter
High-quality PDF formats are of central importance in digital document management and especially in digital file management. The 3-Heights® Document Converter offers document conversion into high-quality PDF/A formats fr ...