File Size Comparisons

Below are comparisons of the same image saved in several popular file types. (Note that there is no reason to view more than one of the TIFFs or the PNG. Since all are lossless formats, their appearance is identical.)

File Type	File Size (bytes)	Image Example
GIF, lossless compression, but only 256 colors	9,042
PNG, lossless compression	24,195
BMP, 16 bits	20,056
BMP, 24 bits	30,056
BMP, 32 bits	40,056
JPEG, 10/10, High quality	28,238
JPEG, 9/10	25,960
JPEG, 8/10, Medium-High quality	24,399
JPEG, 7/10, Usual web quality	22,841
JPEG, 6/10, Medium quality, High compression	22,673
JPEG, 5/10, Medium quality	21,798