Turn png into pdf

Another significant difference is in technical specifications. First, PNG allowed the use of a significantly larger number of colors up to Secondly, support for full-fledged multi-level transparency with the use of so-called alpha channels. Hence the possibility of working with layers.

All this led to the great popularity of the format among users. PDF abbreviation for Portable Document Format is a format created for the convenient presentation and use of electronic documents. PDF was developed by Adobe in and has since gone a long way before gaining popularity. Initially, it was a closed format with a lot of restrictions, which is why it practically was not used widely. However, at this point, Adobe has eliminated many shortcomings.

An official free reading program Adobe Reader was released, PDF is supported on most operating systems, the functionality was noticeably expanded, the file size was optimized, and much more. As a result, the PDF format has become the generally accepted standard in the document flow, which is used by both individuals and organizations.

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