tikz-template.tex

\documentclass{article}

\usepackage{tikz,amsmath}
\usepackage{pgfplots}
\usetikzlibrary{arrows,snakes,backgrounds,patterns,matrix,shapes,fit,calc,shadows,plotmarks,3d}
\usepackage[graphics,tightpage,active]{preview}
\PreviewEnvironment{tikzpicture}

\pagestyle{empty}
\thispagestyle{empty}
\begin{document}
\begin{tikzpicture}
$picture$
\end{tikzpicture}
\end{document}