When it come to NEW favorite website with online tools I think Pinetools.com is a nice place to check out. Here I Resize images online
The reason why I like Pinetools is because it have many tools as you have a use for in one place. I have not any count for how many times I needed to Resize an image. And I like to to it in an fast way as possible. Then you need to find a website as resize images online and PLEASE be free. Pinetools is that kind of place. Check out Pinetools here.