Information that we have stored on our computers can be of a very sensitive nature, things we want private for business or personal reasons. There are also a number of ways that old, and new programs, formats and systems can be hacked. Flaws can be exploited and work-arounds can be made. There are always things that can be done to mitigate these risks.
Preparing PDF documents for search engines is something that is important to know not only for storing files but also for allowing others to find them and making them contribute positively on any sites that they are found. There is a checklist that has been created through a number of different sources which will give you a robust if not definitive guide on PDF SEO optimization.
The PDF specification provides many options for the display of textual content and the related extraction of the text content. In this article I will try to highlight the key areas and terms that you will encounter when working under the hood with fonts in PDF files. Key terms that you should take note of are in bold.
A huge selling point of PDF has always been that it is not limited to any one echo-system, making document exchange possible no matter the hardware or operating system being used. In this article Rowan Hanna looks at how the portability of PDF is being threatened by crippled-PDFs.
PDF bookmarks are a must for the usability and navigability of longer documents. When these bookmarks are created programmatically, they are based on a template created using a combination of user settings and the content of the source document or web page. Since not all such documents were created with PDF bookmarks in mind, cleaning up the resulting bookmark titles can become an important part of the QA process. In this tip, Karl De Abrew takes some of the pain out of this process.
As PDF is an ISO specification anyone is free to develop software that utilizes the PDF format. Usually the specification has to be purchased through the ISO website, but due to a deal deal between ISO and Adobe, the PDF specification can be downloaded for free from the Adobe website.