How to change the image size within a Drupal view Does anybody know the best way to change the image size of a field within a view using Drupal 8?
You can create an image style at admin interface and then use same style at your view settings.

Navigate to admin/config/media/image-styles and add new style. After that edit image field inside your view which will look like below image.

In image you can see Image style which you have created in earlier step. This way you can change the image sige at views.