Voilabits PhotoWatermark for Mac offers you an easy solution to batch add text and image watermark and to protect your photos from private property copyright. The tool allows you to add one or more photo files and even folders, it's convenient to add watermark in batch. For text watermark, there are rich fonts to be chosen. Besides, you have the chance to personalize your watermarks by setting transparency and shadow (color, radius, X and Y offset). Once the watermark is configured, click 'apply to all' to add the watermark to all. After all of the steps, you can save them to many image formats like jpg, jpeg, bmp, png, gif, and tiff, or directly share them to Facebook or Twitter. All the above-mentioned features make this tool handy and reliable. Download and try it out by yourself.