PDF/A
ISO-standardized version of PDF for archives / From Wikipedia, the free encyclopedia
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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.[1] The ISO requirements for PDF/A file viewers include color management guidelines, support for embedded fonts, and a user interface for reading embedded annotations.
Quick Facts Filename extension, Internet media type ...
Filename extension |
.pdf |
---|---|
Internet media type |
application/pdf |
Type code | 'PDF ' (including a single trailing space) |
Uniform Type Identifier (UTI) | com.adobe.pdf |
Magic number | %PDF |
Developed by | ISO |
Initial release | October 1, 2005; 18 years ago (2005-10-01) |
Extended from | |
Standard | ISO 19005 |
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