Font Sizes

1. \documentclass{report,12pts}
...
\begin{document}
...
\normalsize{...} ...

\end{document}
2. Smaller:
   1. \small{Small}.
   2. \scriptsize{Smaller}
   3. \tiny{Smallest}
   4. \footnotesize{Footnotesize}
3. Bigger:
   1. \large{large}.
   2. \Large{Larger}.
   3. \LARGE{Larger}.
4. Huge:
   1. \huge{huge}.
   2. \Huge{Huger...}.
5. Or as environment:
   
   \begin{small}
...
...
\end{small}

\begin{Large}
...
...
\end{Large}
6. Example:

   LaTeX Listing: Sizes.tex. PDF   ZIP*   \documentclass{standalone} \begin{document} \tiny{tiny} \scriptsize{scriptsize} \footnotesize{footnotesize} \small{small} \normalsize{normalsize} \large{large} \Large{Large} \LARGE{LARGE} \huge{huge} \Huge{Huge} \end{document}

   
   
7. Transparent as SVG and PNG