PDF-Wissen
Hier finden Sie Artikel, die Ihnen einen praktischen Einblick in die Welt der PDFs geben. Erfahren Sie alles über PDFs, von den Grundlagen bis hin zu den besten Verfahren.
PDF essentials
PDF SDKs: Open Source vs. Proprietary | Guide Part 1
The top 7 PDF SDK factors to consider. Should you go with an open source or a proprietary PDF Library? It’s not a simple decision, but this guide will help you to make it easier.
PDF standards
PDF SDKs: Open Source vs. Proprietary | Guide Part 2
Looking for an SDK for your PDF needs? Learn the benefits and drawbacks of open source and paid solutions. Plus a guide to help you make the right decision.
How to use
Wie Sie den Konvertierungsdienst mit Postman nutzen können
PDF standards
PDF Rendering 2.0 – die nächste Generation Rendering-Maschinen für PDF
Eine gute PDF-Rendering-Engine ist ein wesentlicher Bestandteil von Konvertierungs-, Anzeige- und Druckwerkzeugen. Unabhängig davon, welche Version die PDF-Dokumente haben, ist ein genaues Rendering und eine gute Bildqua ...
PDF standards
Alles, was Sie über PDF/A-4 wissen sollten
PDF/A-4 wurde im Herbst 2020 veröffentlicht und ist damit der neueste Teil der PDF/A-Standardreihe. Er basiert auf ISO 32000-2 (PDF 2.0) und ist sowohl eine Weiterentwicklung des PDF/A-3, welcher auf ISO 32000-2 (PDF1.7) ...
Tech corner
Controlling enveloping machines using OMR markers
In this new blog thread I'd like to inform you about new features and applications of our tools. Enveloping machines can be magically controlled with these tiny dashes called OMR markers on the border of a printed sheet. ...
Tech corner
PDF transparency reviewed
This new blog thread is dedicated to the development of the PDF standard and its associated sub-standards. As a delegate of the Swiss Standardization Association (SNV) in the ISO Comittee I'm supposed to review all relat ...
Tech corner
Stroking geometric paths - not as easy as it seems
In PDF geometric paths are simply described as lines and cubic bézier curves. The filling of a path is straight forward once one understands the even-odd and non-zero-winding rule. The stroking of a path however is not a ...
Tech corner
TIFF Mixed Raster Content (MRC) conforming to RFC 2301
Mixed Raster Content (MRC) is a process to reduce the size of raster images. It is well known since PDF/A is used to archive scanned documents. However, it has been used and standardized in RFC 2301 for TIFF files earlie ...
Tech corner
Embedding fonts in PDF
I collect bad PDFs since the Reference Manual 1.0 was published in 1993 and today I have recourse to a data base of more than 100'000 real world PDF files with all kinds of faults in them. The vast majority of problems, ...
Tech corner
Why is the extraction of text from a PDF document such a hassle
When I use a text editing tool such as Microsoft Word then it is quite natural that I can select a portion of text and copy it to the clipboard and paste it in to a window of any other tool. Not so with PDF. At least not ...
Tech corner
Splitting and merging pages of PDF documents
Single out pages from a number of input documents and re-arrange them in a set of output documents belongs to the daily routine in a document assembly application. At first glance, this seems to be a clear and understand ...
Tech corner
What is PDF optimization?
Most people agree that PDF optimization has something to do with reducing file size. Sometimes it's about faster rendering. Anyway, optimization is a wide topic and it's certainly worth a closer look.
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 ...