jpeg is smaller (followed by png, gif and a bmp-which is largest).
The effect of the GIF,JPEG,PNG,BMP and TIFF on the data transfer
.jpeg, .bmp, .png
PNG is an image file format, such as JPEG or BMP. One of the differences between PNG and JPEG, is that PNG supports transparency.
Image file formats.
File will take significantly less space on disk, will be faster to send via Internet, but will not lose any quality. You should choose PNG over BMP whenever possible.
PNG, JPEG, TIFF, GIF, PSD, or BMP.
When a picture is saved uncompressed from paint. You should use PNG instead of BMP as it still retains the quality loss-less but compresses it.
BMP or PNG of size smaller than 240X320.
Yes, try changing the format of the picture. Eg. from .PNG to .JPG or 32-bit BMP to 16-bit (although reducing the size or changing formats may convert the image to a poorer quality).
MSPaint can compress *.bmp files as JPEG, TIFF, PNG and GIF.
Get Paint.NET