Restart your system after installation completes to refresh the embedded font rendering cache. 4. Convert the PDF to HTML or Text CIDFont+F1 issue | Community
Use pdffonts (Linux/macOS) or Adobe Acrobat Pro’s "Output Preview" to list all fonts. Look for entries like:
Many PDFs utilizing CJK fonts use an encoding called . This is a "raw" encoding that maps character codes directly to glyph indices (CIDs) without specifying a direct relationship to Unicode characters. If a PDF viewer lacks the specific instructions to interpret this mapping (often a ToUnicode table), the system defaults to using a generic internal name for the font resource. cidfontf1 f2 f3 f4 f5 f6 updated
are just local resource names (keys) for fonts used in the PDF. They have no fixed meaning but are typically assigned in order of usage:
/CIDSystemInfo << /Registry (Adobe) /Ordering (Japan1) /Supplement 3 >> Restart your system after installation completes to refresh
For users still seeing "cidfontf1 not found" errors this year: the fix is to update your Adobe Reader or Ghostscript to versions released after June 2024, when default fallback tables were rewritten.
: In Adobe Acrobat Pro DC , navigate to the Preflight menu. Use the "Embed missing fonts" or "Convert TrueType fonts to CID" fixups to repair the character mapping. Look for entries like: Many PDFs utilizing CJK
To understand the "CIDFont+F1" placeholder, one must first understand what a is. CID is an acronym for Character ID . Unlike traditional fonts that are identified by a simple name like "Arial" or "Times New Roman," a CID-keyed font is a more complex architecture designed to handle large character sets, most notably those used in Asian languages like Chinese, Japanese, and Korean (CJK) which can contain thousands of glyphs.