Tuesday, May 06, 2014

PDF/A Format and its difference from PDF Format (part 2)


read the first part here




 Difference between PDF/A and PDF

Following table contains the difference between the PDF/A and PDF document format.

Criteria
PDF/A
PDF
Storage Duration
Long Term Storage
Short Term Storage
Graphics and Fonts

Embedded within the PDF/A file
No Need to embed within the document.
Executable Content
Doesn’t allow video, audio and other executable content.
Can embed executable content within the document.
External References(Links)
Doesn’t allow external links and references in the document.
Allows external links and references.
Encryption
Doesn’t allow encryption in the documents
Allows encryption in the documents.
File Size
Larger file size due to embedded information
Smaller file size due to external referencing.

Downside of PDF/A
A drawback of PDF/A file format as mentioned in the table  is that the file size of this document is larger since it doesn’t contain any external referencing and everything has to be embedded within a file so that after longer period of time the information in the file can be correctly retrieved as was once embedded. 

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