# JS API Reference

# Welcome to the Highcharts JS 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.scale

Defines the scale or zoom factor for the exported image compared to the on-screen display. While for instance a 600px wide chart may look good on a website, it will look bad in print. The default scale of 2 makes this chart export to a 1200px PNG or JPG.