How can I change the settings of my table of contents, so that the sections and subsections are not indented as shown in the second picture. I would also like to center the title of the Contents. I am using the article class.

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Can you provide us with some code in the form of a minimal working example (MWE)? ToCs are dependent on the packages that you're using to create sectional units, and also the type of \documentclass you're using. –  Werner Feb 3 '14 at 20:31

This is an approach which uses the »tocstyle« package with the tocflat option along with the standard style.

\documentclass[11pt]{article}
\usepackage[T1]{fontenc}

\usepackage[tocflat]{tocstyle}
\usetocstyle{standard}

\usepackage{blindtext}

% Redefinition of ToC command to get centered heading
\makeatletter
\renewcommand\tableofcontents{%
\null\hfill\textbf{\Large\contentsname}\hfill\null\par
\@mkboth{\MakeUppercase\contentsname}{\MakeUppercase\contentsname}%
\@starttoc{toc}%
}
\makeatother

\begin{document}
\tableofcontents

\blinddocument
\end{document}


You can compare with the tocfullflat option for equidistant spaces between numbers and heading entries. More details can be found in the package manual.

N.B.: You will get a warning about the alpha status of the package. So far is has not caused any major problems for me.

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Thank you friend .. your answer helped me a lot lol –  Freitas Feb 3 '14 at 22:19

Here's a solution using titletoc package; it defines the dottedcontents command which has syntax:

% \dottedcontents{<section>}[<left>]{<above-code>}
% {<label width>}{<leader width>}


I have also used the command

\renewcommand{\contentsname}{\centering Contents}


Here's the code:

% arara: pdflatex
% arara: pdflatex
\documentclass{article}
\usepackage{titletoc}

% \dottedcontents{<section>}[<left>]{<above-code>}
% {<label width>}{<leader width>}
\dottedcontents{section}[0em]{\bfseries}{2.9em}{1pc}
\dottedcontents{subsection}[0em]{}{3.3em}{1pc}

% center the toc heading
\renewcommand{\contentsname}{\centering Contents}

\begin{document}

\tableofcontents

\section*{Introduction}
\section{Test section one}
\subsection{Test subsection}
\subsection{Test subsection}
\subsection{Test subsection}

\section{Test section two}
\subsection{Test subsection}
\subsection{Test subsection}
\subsection{Test subsection}

\end{document}


For further reading, see How to modify the indentation before sectioning titles in the table of contents?.

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Thanks for your help friend...worked lol –  Freitas Feb 3 '14 at 22:12

Using the tocloft package, all you have to do is to set the indents to the same values: 0em (so entries are flushed to the left margin) and 2em (space to typeset the unit number). Using \cfttoctitlefont and \cftaftertoctitle you can center the title; I also set tocdepth to 2 since subsubsections are not to be listed according to the image:

\documentclass{article}
\usepackage{tocloft}

\cftsetindents{section}{0em}{2em}
\cftsetindents{subsection}{0em}{2em}

\renewcommand\cfttoctitlefont{\hfill\Large\bfseries}
\renewcommand\cftaftertoctitle{\hfill\mbox{}}

\setcounter{tocdepth}{2}

\begin{document}

\tableofcontents
\clearpage

\section*{Introduction}
\section{Test section one}
\subsection{Test subsection}
\subsection{Test subsection}
\subsubsection{Test subsubsection}
\subsection{Test subsection}

\section{Test section two}
\subsection{Test subsection}
\subsection{Test subsection}
\subsubsection{Test subsubsection}
\subsection{Test subsection}

\end{document}


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