Reducing the file size of a very large images, without changing the image dimensions

Question

Consider an application handling uploading of potentially very large PNG files.

All uploaded files must be stored to disk for later retrieval. However, the PNG files ca

Answer 1

Right click on the image. Select open with paint. Click on resize. Click on pixel and change the horizontal to 250 or 200.

That's the only thing. It is the fastest way for those who are using Windows XP or Windows 7.