Used fonts in pdf files
Sometimes it may be useful to examine the fonts actually used by a pdf file, even when it’s self-produced, for instance when the font quality is too low. That can be caused for instance when using Computer Modern fonts if T1 font encoding is required but only OT1 encoded fonts are installed. Or you look at a beautifully typeset document and ask yourself what fonts may be used.
With the Adobe Reader it may be possible to find the font names by the Menu: File/ Document properties, but there exists another small tool: pdffonts.
The simplest usage is just: