for Windows click here then:
- Go to the directory contianing your photos.
- Right click on the photo you wish to rezise and select 'Resize Pictures'. Select the new image size and click 'OK'.
- Run the 'Picture Resizer' application
- Choose the files or folder that contains your images
- Choose the destination folder for the resized images
- Choose a size for your resized images (or simply use the default 1600)