Phaser Editor provides a simple utility based on the well known OptiPNG tool to reduce the file size of the PNG images. It is very important that you keep the file size of your game as small as possible, it improves the game loading speed.

Watch a demo video

To optimize the PNG files you should first select the files or the folder of the files in the Project Explorer, then click the Optiomize PNG button in the main toolbar or open the contextual menu and select the "Optimize selected PNG files" option.

It opens a dialog with the progress of the optimization process.

Select files to optimize

Optimization progress dialog