@bgugs:
Thank you for that. Is there a way to make my file smaller? I have it in low quality JPEG but it is still 12.5MB which is .5 to big to upload through that website.
When converting just reduce the size of the image:
This is how the convert dialogue looks like, mine is in German, but it looks similar in your language.
The red arrow shows where to adjust the size. Here it is in pixels.
Now change the pixels to a reasonable value.
Keep in mind that monitors usually show 72 / 96 / 120 ppi (pixels per inch), some even more.
Adjust the value in the first field, the value in the second field adjusts automatically (simply klick into the second field), keeping the aspect ratio.
For example an image sized 4800x2400 pixels, would be 50x25 inches on a 96-ppi-monitor.
HTH :-)