This downloads 200x200. How to scale it back to 100x100? Ideally so that the image is the same no matter the display where it was exported on. Also I would like

This downloads 200x200. How to scale it back to 100x100? Ideally so that the image is the same no matter the display where it was exported on. Also I would like to not need to include any image processing libs. The usecase is to export a HTML element (e.g. a chart) and send to another API (e.g. attach it to a report), without downloading.