We present in this demo the description of XQueryViz: an XQuery visualization tool. This graphical tool can parse one or more XML documents and/or schemas and visualizes them as trees with zooming, expansion and contraction functionality. The tool can also parse a textual XQuery and visualizes it as a DAG within two different windows: the first for the querying part (i.e. For-Let-Where clauses) and the second for the “Return” clause. More importantly, users can build XQuery queries with this graphical tool by pointing and clicking on the visual XML trees to build the XPath parts of an XQuery and then build the whole XQuery using visual constructs and connectors. A textual XQuery is then generated.