If you are using your phone for photos you easily resize them on your phone with an app.
For the Iphone try out Simple Resize By tekunodo.
Resize your photo.
It's free, easy to use, just try it!
How to use
1. Choose photo from your library / Take a picture.
2. Set saved photo size.
3. Save.
If you are you using an android phone look for Photo & Picture Resizer by farluner
How Smart Image Resizer works:
1) select the picture
2) the picture resizer displays the selected photo
3) select the resolution (width x height) from the list
4) the selected picture is reduced and displayed
Smart Image Resizer Features:
* Absolutely free
* Original pictures are not touched
* Resized pictures are automatically saved in the 'Pictures/PhotoResizer' directory
* Very good quality of the resized photos
* Photos resized several times do not lose quality
Greg