Go grab this free tool for Unreal that adds support for exporting PNG files from textures in the content browser.Technical DetailsFeatures:Supports Gray and RGB(A) FormatsSupports 8-bit and 16-bitFull source included.LightweightCode Modules: ST_ExportPNGEditor [Editor – 2 Classes]Please note that the tool supports all development platforms. You can learn more here.Get the tool