Microsoft Paint will do anything you need to and it is already on your computer, unless you are a misguided Mac person.
That being said, just go into the image tab in the toolbar and click on click on resize/skew or you can use attributes.
1999 Ford Superduty F250 PSD CC SB 6spd 4x4.
B&W goosneck/companion hitch, Airlift 5000 airbags.
2006 Sierra F28 Rear Kitchen 5th Wheel, 31' = 10k pounds.
Nights camped in 09-14, 2010-23