pdffonts: add page (#4335)

pages/common/pdffonts.md

@@ -0,0 +1,24 @@
+# pdffonts
+
+> Portable Document Format (PDF) file fonts information viewer.
+> More information: <https://www.xpdfreader.com/pdffonts-man.html>.
+
+- Print PDF file fonts information:
+
+`pdffonts {{path/to/file.pdf}}`
+
+- Specify user password for PDF file to bypass security restrictions:
+
+`pdffonts -upw {{password}} {{path/to/file.pdf}}`
+
+- Specify owner password for PDF file to bypass security restrictions:
+
+`pdffonts -opw {{password}} {{path/to/file.pdf}}`
+
+- Print additional information on location of the font that will be used when the PDF file is rasterized:
+
+`pdffonts -loc {{path/to/file.pdf}}`
+
+- Print additional information on location of the font that will be used when the PDF file is converted to PostScript:
+
+`pdffonts -locPS {{path/to/file.pdf}}`