Simple Calendar Maker, is a tool that allows you to create calendar images of any size. Simply.
You can use the generated images to print out calendars or use it with image editing software to design your own calendars.
You can pick the size of the calendar, month, and weekday names (especially useful if you're designing a calendar with a custom language) and all fonts.
The app generates transparent PNG images for easier use with image editing software. Both light and dark themes are supported.