generated by PDF software when a document's original fonts were not fully embedded.
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 font f1 f2 f3 free download high quality
| (e.g., TrueType) | CID-Keyed Font | | :--- | :--- | | Identifies characters by using GlyphName strings (like /A , /B ). | Identifies characters by using a numeric ID (e.g., CID 2309 for a specific Kanji). | | Efficient for smaller, Western alphabets. | Specifically engineered for font collections that contain thousands of glyphs. | | Requires a separate, fixed encoding for each language (e.g., MacRoman, WinAnsi). | Separates the character collection (the CIDFont) from the mapping to codes (the CMap). | generated by PDF software when a document's original
What are you using (Windows, macOS, Android, iOS)? Which software or app are you using to open the PDF file? | Identifies characters by using a numeric ID (e
If your PDF viewer is prompting you to download an "F1" or "CID" font, it means the document is corrupt or improperly encoded. This usually happens due to one of three reasons:
Finding professional-grade alternatives to proprietary F1/F2/F3 fonts [5]. How to Download and Install CID Fonts
Be highly cautious of third-party font download websites claiming to offer a "high-quality free download of CID Font F1 F2 F3." Because these are document-specific internal labels, any file downloaded under these names is highly likely to be malware, a corrupted file, or a generic font renamed to trick you.