The standard picture size is 800 x 800 pixel.
The easiest Tool we recommend to do this is Microsft Paint which comes with every Windows Computer.
Righ Click on the Image and point to Open With and Choose Paint as indicated below.
Once the Microsoft Paint Opens, Click Rezie and uncheck the “Maintain Aspect ratio”, Choose Pixel and Type 800 Horizontal and vertical, Click Save and choose the name you want to use to store the Picture and you are Good.
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