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6 kwi 2015 · You will learn, that in order to reverse the PDF source code to text contents, you have to reverse-apply the encoding used by the font. There are 5 spec-defined standard encodings which may be used: StandardEncoding; MacRomanEncoding; WinAnsiEncoding; PDFDocEncoding; MacExpertEncoding
So, the answer to your question is: characters within a PDF file can well be encoded internally in an ad-hoc encoding made on the spot for that specific PDF file. PDF parsers should make the appropriate substitutions when necessary.
Create a new document in Notepad++, make sure 'Encode in ANSI' is selected in the Encoding menu, paste the text there, then choose 'Convert to UTF-8 without BOM' in the Encoding menu. You can also try using Decoder , a free online tool for fixing encoding problems.
In 2017, PDF 2.0 introduced UTF-8 encoded strings as an additional format for PDF text strings, while maintaining full backward-compatible support for the existing UTF-16BE and PDFDocEncoded text string definitions.
5 lis 2023 · Learn how to generate PDFs with UTF-8 encoded strings and ensure proper rendering using suitable font encodings and mappings.
How to convert PDF to Base64 online. Choose the source of PDF file from the “Datatype” field. Paste the URL or select a PDF file from your computer. If necessary, select the desired output format. Press the “Encode PDF to Base64” button. Download or copy the result from the “Base64” field.
This PDF to Base64 online encoder tool allows you to quickly and easily encode PDFs in Base64-encoded format. The encoding process is very fast, once the PDF has been encoded, you can view or download the resulting Base64 data. If you need the reverse process, check the Base64 to PDF online tool.
