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how to globally replace font in a PDF

Is it possible, using Adobe Acrobat or another tool, to globally replace a font in a PDF?

How can I do this?

Solution

  • Without seeing your particular file it is hard to say that this would definitely work. But, typically a font is defined like this:

    /Resources << 
  /Font << /F13 1 0 R >> 
>>

1 0 obj << 
  /Type /Font
  /Subtype /Type1 
  /BaseFont /Helvetica
>> endobj

    The font resource is then used as /F13 12 Tf wherever text is drawn with it.

    If you were to change the /BaseFont in the definition, it would affect all uses of that font resource.