Ghostscript can substitute missing CID fonts automatically:
gs -sDEVICE=pdfwrite \
-dSubsetFonts=false \
-dEmbedAllFonts=true \
-sFONTPATH=/usr/share/fonts/noto \
-c ".cidfmap /F1 /NotoSansCJK-JP-Regular ; /F2 /NotoSerifCJK-JP-Reginal ; bind def" \
-f input.pdf -o output_fixed.pdf
Since CID fonts are proprietary in many cases, here are legal free sources where you can obtain similar or original CID-keyed fonts for personal or development use.
In conclusion, CID fonts like F1, F2, F3, F4, F5, F6, and F7 are valuable resources for anyone working with multilingual text or requiring high-quality, readable fonts. When searching for free download links, prioritize reputable sources and always review the licensing terms to ensure they meet your needs.
Understanding the "CID Font F1-F7" Error: Why You Can’t Just Download Them cid font f1 f2 f3 f4 f5 f6 f7 fonts free download link
If you’ve ever opened a PDF only to be greeted by a "Missing Font" error for CIDFont+F1
, you aren’t alone. You might have immediately searched for a "free download link" to fix it, but there’s a catch: CIDFont F1, F2, etc., are not actual font names that you can download from a font website.
Here is what is actually happening and how you can fix your document. What are CID Fonts (F1, F2, F3...)? Since CID fonts are proprietary in many cases,
CID (Character Identifier) fonts are a way of encoding font data used primarily to support large character sets, such as those for Chinese, Japanese, and Korean languages. The names "F1," "F2," and "F3" are temporary placeholders
or generic internal names assigned by the software (like Adobe InDesign or a PDF printer) when it exports a PDF but fails to properly embed the original font. often refers to a bold version of a font (like Arial Bold). often refers to the regular version. The "+" sign (e.g., CIDFont+F1
) indicates that only a "subset" of the font is included in the file. Why You Can’t Find a Download Link CID fonts like F1
Because these are generic names, there is no single "CIDFont F1" file to download. Searching for one often leads to untrustworthy sites. Instead, the PDF is looking for the
font that was used to create it (like Arial, Times New Roman, or Myriad Pro), which your computer doesn't recognize under the generic "F1" label. How to Fix the Missing Font Error
Since you can't download a "CIDFont F1" file, try these workarounds to make your text readable: CIDFont+F1 issue - Adobe Community 20 Mar 2018 —
This guide provides an overview of standard CIDFonts (F1–F7) used in PDF development, explains their technical function, and provides the official resources for obtaining compatible font files.
Partial truth. Downloading commercial fonts (e.g., HeiseiMin-W3 from a random blog) is copyright infringement. But downloading open-source alternatives like Noto or Source Han is 100% legal.