The First Thing to Do to Watermark Multiple Photos at Once

After you upload your photos to the watermark application, you need to select all the photos to watermark them. Otherwise, you will not watermark all the photos at once.

First, you need to select all the photos by marking the checkbox.

Select All the Photos
Select All the Photos

After that, when you click to choose watermarking photos by adding text or logo, the same text or logo will be applied to all the photos you selected.