Because these are generic labels, their true identity depends on the specific document. However, they most commonly represent standard system fonts that have been "subsetted" or renamed during export: F1 / CIDFont+F1 : Often represents Arial (Bold) F2 / CIDFont+F2 : Often represents Arial (Regular) F3 / Others Times New Roman , or specialized Asian fonts like FZFangSongK High-Quality Free Alternatives
"CID" stands for or Character Identifier . It is an encoding method developed by Adobe to handle massive character sets, particularly for East Asian languages (Chinese, Japanese, and Korean) or complex Unicode documents. Which font type? - Adobe Community cid font f1 f2 f3 free download high quality
Because these are generic labels, there isn't a single "high quality" file to download. If you download a random file named "CIDFont_F1" from the internet, it will likely be malware, a corrupted file, or the wrong specific font variant, which can cause your PDF to display garbage characters (mojibake). Because these are generic labels, their true identity
: When a PDF is exported, the software may rename the fonts to "F1, F2..." as it creates a subset of the original font's characters. Which font type
CID-keyed fonts were developed by Adobe as a more efficient way to handle large character sets. Unlike traditional Type 1 fonts, CID fonts separate the character collection (ROS – Registry, Ordering, Supplement) from the font hints.