How do you change a kilobyte JPEG into a megabyte JPEG?

I took a picture of one of my paintings on a 6.0 mega pixel camera and the size is 238kb I need to change it to be at least 1mb in order to submit it. Is it possible to change the size like that?How do you change a kilobyte JPEG into a megabyte JPEG?
i dont think it is possible to change the size, but a 6 mp cammer should not have taken that small of a picture, unless it wasnt set for 6mp, best way to up the size, allow more detail in the pic, or get a better cameraHow do you change a kilobyte JPEG into a megabyte JPEG?
Increase the picture quality and resolution settings on the camera. Then re-shoot the photos.
yea download Total Video Convertor (Google it, I love say that lol)



this program lets u convert media between format and you caan change quiality of pictures to better and that means they will take up more space
If you have Photoshop you may be able to do what you want by changing the bit depth from 8 to 16. If it doesn't have to be a JPEG, YOU CAN USE TIFF OR TARGA FORMAT. There aren't a lot of ways to do what you want short of embedding something in the photo. See Steganography
you can easily do it with paint

open your file, then go it Image -%26gt; Stretch/Skew... (or press Ctrl+W) and increase the stretch percentages equally (Note: this is probably the easiest way, but will probably decrease the quality, but it IS 6 megapixels, so it shouldn't be to bad)