If your image will not upload, its file size is too large. It is a good practice to reduce image file size for use on web pages because large image file sizes cause web pages to load slowly. Nobody likes to twiddle their thumbs while waiting for a web page to load. The file size limit is somewhat less than 1 megabyte (MB). Image file size in newer digital cameras with high megapixel capability can be as much as 20 MB or higher.
Use Microsoft Paint to Reduce Photo/Image File Size
All computers running Microsoft Windows have a program called Paint. You can use Paint to reduce the file size of your photos/images.
You can watch a Youtube video showing how to reduce your image file size or follow the 9 steps below.
Make sure you pay attention to where you save your image so you can later find it.
You image file size will be smaller now. To check the image file size, right-click on the image and select Properties.
Reduce File Size for Multiple Photos Simultaneously with Google Picasa
Please see information on signing up for the free Google Picasa tool. Once you have Picasa, you can find out how to reduce the file size of multiple images at once. When you export photos from Picasa to your computer, there are two settings:
It is the image quality setting that changes the file size of your image(s).