Cidfontf1 F2 F3 F4 F5 F6 Updated Official

gs -sDEVICE=pdfwrite \ -dCompatibilityLevel=1.7 \ -sCIDFSubstPath=/path/to/fonts \ -sCIDFSubstFont="NotoSansCJK-Regular" \ -c "/CIDFontF1 /NotoSansCJK-Regular findfont definefont pop" \ -f input.pdf -o output_fixed.pdf

with "Convert All Text to Outlines" checked to preserve the look without needing the font. cidfontf1 f2 f3 f4 f5 f6 updated

Here is the for fixing and updating CIDFont references. gs -sDEVICE=pdfwrite \ -dCompatibilityLevel=1

For a PDF to allow text selection, search, and accessibility, it needs a table. This table maps the raw glyph IDs back to standard Unicode characters. If a PDF uses Identity-H but lacks a ToUnicode table, PDF software struggles to maintain the connection between the internal CIDFont+F1 and the actual text. When you try to copy text from such a PDF, you often get garbage or blank squares. This table maps the raw glyph IDs back

CID fonts are a type of font used in PostScript and PDF files to represent characters. They are especially prevalent in documents that contain a large number of characters, such as those written in Chinese, Japanese, and Korean (CJK). The CID system allows for the mapping of character codes to specific glyphs in a font, facilitating the accurate display of complex scripts.

Select (Windows) or Save as PDF (Mac) as your printer destination. Click Print and save the file under a new name.

To recover the original document, you must find out which real font the F1 placeholder is trying to mimic. Here is how you do it: