Make a photo square online - batch and free

Tutorial video

YouTube

Tutorial video

Also try the following services:

Batch resize an image. Stretch the image to a specified size or cut out an area

Resize photo to 1080 x 2400 pixels online - batch and free | Resize images to 15 x 20 format - batch and free | Resize photo to 640 x 360 pixels online - batch and free | Reduce photos online - batch and free | Resize photo to 100 x 100 pixels online - batch and free