How to convert a .bmp file to .jpg and reduce its size

How to convert a .bmp file to .jpg and reduce its size
How to reduce the size of an image
How to convert a .bmp to .jpg and .gif

To reduce the size of the image, do as the video says
but
just open a .jpg file and while saving as choose .jpg and reduce the %quality to decrease the size

To convert to .gif, while saving as , choose gif from the menu rather than .jpg

The software to do all this is IRFAN VIEW, that can be downloaded from

http://www.softpedia.com/get/Multimedia/Graphic/Graphic-Viewers/IrfanView.shtml