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Document Scanning Services



What is PDF?


Portable Document Format (PDF) is a file format used to present documents in a manner independent of application software, hardware, and operating systems. Each PDF file encapsulates a complete description of a fixed-layout flat document, including the text, fonts, graphics, and other information needed to display it.

Standardized Subset of PDF

The following specialized subsets of PDF specification has been standardized as ISO standards (or are in standardization process)


PDF/X  – a.k.a. “PDF for Exchange” – for the Graphic technology – Prepress digital data exchange.

PDF/A  – a.k.a. “PDF for Archive” – Document management – Electronic document file format for long-term preservation.

PDF/E  – a.k.a. “PDF for Engineering” – Document management – Engineering document format using PDF.

PDF/VT – a.k.a. “PDF for exchange of variable data and transactional (VT) printing” – Graphic technology – Variable data exchange , based on PDF 1.6 as restricted by PDF/X-4 and PDF/X-5.

PDF/UA – a.k.a. “PDF for Universal Accessibility” – Document management applications – Electronic document file format enhancement for accessibility


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