Portable Document Format (PDF), standardized as ISO 32000, is a file format developed by Adobe in 1992 to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems. Based on the PostScript language, each PDF file encapsulates a complete description of a fixed-layout flat document, …

PDF/A is an ISO-standardized version of the Portable Document Format (PDF) specialized for use in the archiving and long-term preservation of electronic documents.PDF/A differs from PDF by prohibiting features unsuitable for long-term archiving, such as font linking (as opposed to font embedding) and encryption. The ISO requirements for PDF/A file viewers include color …

Le PDF/A est une version normalisée ISO du format PDF (Portable Document Format) spécialisée pour l'archivage et la conservation à long terme des documents numériques.Le PDF/A diffère du format PDF standard en interdisant les fonctionnalités inadaptées à l'archivage à long terme, telles que la liaison de polices (par opposition à l'incorporation de polices) et le …