When you see a name like CIDFont+F1 , it usually means the PDF creation software (like a web-to-PDF converter) failed to embed the actual font data. The software assigned "F1" or "F2" as an internal alias for whatever was missing. Why Can't I Find a Download Link?
Some software renames fonts to things like "F1" or "F2" to save space or for technical encoding, especially for complex character sets. cid font f1 f2 f3 f4 free download link
If you only need to view or print the file and don't need to edit the text, use the Adobe Community Suggestion Flatten Transparency Outline Text . This converts the letters into shapes. PDF-to-PDF Export: On a Mac, opening the file in and then selecting File > Export as PDF When you see a name like CIDFont+F1 ,
"You’ve got to be kidding me," Elias whispered, his fingers flying across the keyboard. Some software renames fonts to things like "F1"
github.com/adobe-fonts/source-han-serif (These are legally free, cover F3/F4 well, and can be remapped to F1/F2 with font substitution rules.)
Even if you install a font named "F1," it likely won't match the character map of your specific document.