Convert PDF file between different versions for
compatibility purpose.

Every PDF file is generated or produced according to a
specification. This specification has evolved from
version 1.0 to version 1.6. Sometimes users are faced
with the dilemma that a certain application only
recognizes a specific version of PDF file. For
example, some journal publishers only accept
submission of PDF files of version 1.4 or later, some
obsolete Windows applications only read PDF files of
version 1.2. Suppose you have a PDF file of version
1.1, what would you like to do? PDF Version Converter
is the answer. This freeware utility enables you to
convert PDF files between different versions,

PDF version 1.0 (Adobe Acrobat 1.x)
PDF version 1.1 (Adobe Acrobat 2.x)
PDF version 1.2 (Adobe Acrobat 3.x)
PDF version 1.3 (Adobe Acrobat 4.x)
PDF version 1.4 (Adobe Acrobat 5.x)
PDF version 1.5 (Adobe Acrobat 6.x)
PDF version 1.6 (Adobe Acrobat 7.x)

You may notice that the actual file size of the
generated PDF file after conversion is a little
different from the original, simply because different
PDF specifications differ in structuring and
organizing the objects in a PDF file.

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