Cidfont F1 F2 F3 F4 F5 F6 Full Extra Quality
Go to File > Properties (or press Ctrl+D ) and click the Fonts tab.
: If you see "full" in your text string, it likely refers to a "full subset" embedding, meaning the entire character set of that generic font is included in the file. Super User How to Fix Font Issues If you are trying to view or edit a file with these names: Transparency Flattening Adobe Illustrator , try importing the PDF and using the Transparency Flattener
One of the simplest and most effective solutions is to "re-print" the PDF using a virtual PDF printer. Open the problematic file in any application that can view it (like a web browser or Adobe Acrobat). Go to Print and select a PDF printer driver (like "Microsoft Print to PDF" on Windows). Printing and saving a new PDF in this way often flattens the font references and embeds a basic representation of the text, creating a new, more universally compatible file.
When exporting from desktop publishing software, choose "Embed Full Fonts" instead of "Subset Fonts" if the file size permits.
and re-exporting it as a new PDF often fixes encoding issues and makes the file readable. Check Properties ) in Acrobat to view the cidfont f1 f2 f3 f4 f5 f6 full
When a PDF is created by certain software, applications, or online converters, it might fail to properly embed the original font utilized in the document.
The best solution is prevention. If you are responsible for creating PDFs that others will view, edit, or print, follow these best practices to ensure that CIDFont+F1–F6 never appear in your documents:
Depending on your platform and needs (viewing vs. editing), try these solutions:
In the top list, select the missing (or whichever number is broken). Go to File > Properties (or press Ctrl+D
often appears when switching between Arial and Helvetica during creation. CIDFont+F1 issue - Adobe Community
If you have ever opened a PDF file and found that the text is missing, displayed as strange symbols, or received an error message stating that , CIDFont+F2 , or similar (up to F6 or beyond) cannot be found, you are experiencing a common issue related to font embedding and PDF creation.
: The creator of the PDF forgot to embed the fonts, or the PDF printer used "subsetting" (only embedding the specific letters used, rather than the whole font file).
Therefore, a request to "find me the CIDFont+F1 font file" is a misunderstanding. No such font exists. The presence of these placeholders is a symptom of one or more underlying issues with how the PDF was created. A typical PDF font dictionary entry looks like this: /Name /F1 . In a resource dictionary, the name of a font (like F1, F2, etc.) is just a reference, and the actual font data should be defined elsewhere. When the actual font data is missing, only the placeholder reference remains. These generic identifiers are not the original font names; they are simply references used internally by the PDF to organize its resources. Open the problematic file in any application that
: Includes every character in the font file. This ensures the document displays correctly on any device but results in a significantly larger file size.
: These are sequential variables generated during the PDF compilation process. Each number ( F1 through F6 ) typically corresponds to a specific font family, weight, or style (e.g., Bold, Italic, Regular) used in the original document.
Adobe-GB1 Primary Use: Simplified Chinese as used in mainland China and Singapore.