How to make a dotted straight line using paint ?

and u recommend some other online websites than i can use to create lines or to draw something ?How to make a dotted straight line using paint ?
to make a dotted straight line in ms paint, first draw a line in the thickness / color you want (not too thick)





then switch your foreground color to the color of the background (usually white)





then select the eraser tool, and size the eraser appropriately


OR


select the brush tool and use the appropriate brush size/type





click in the areas where you want to erase/break the line





You can zoom in to make it easier to count pixels. the bottom right of the paint window shows what pixel you're focused on