Resize  Bulk  Photos Without Losing Quality

Open  'Microsoft Store'

Enter “PowerToys” in the search bar.

Press the 'Install' button.

The “PowerToys” tool will now launch.

Open the photos folder. Select all photos using command 'Ctrl+A'. Then right click and open the properties to check the size of the folder.

Select all photos in the folder. Then right click. Choose the 'Resize photos' option. 

Select your preferred size from the options in the 'Select a size' box.

The size of the photos will change within a few seconds. But there will be no change in the quality of the photos.

Select all photos. Then right click and open the properties to check the size of the folder. 

The size of the folder will be reduced