# Welcome to the Highcharts Gantt JS (gantt) Options Reference

These pages outline the chart configuration options, and the methods and properties of Highcharts objects.

Feel free to search this API through the search bar or the navigation tree in the sidebar.

# exporting.width

The pixel width of charts exported to PNG or JPG. As of Highcharts 3.0, the default pixel width is a function of the chart.width or exporting.sourceWidth and the exporting.scale.