PhotoBulk is an application for editing pictures in a bulk, it enables you to watermark, optimize, rename, resize and convert any number of pictures in one go.

Set Watermark
Use this reliable watermark software for Mac to protect all images you are about to post: watermarks can be text, image, script and date stamp ones. The process is as easy as can be: drag an image or many images onto the app, choose the type of watermark you are going to use, customize settings if needed. Watermark can be placed anywhere, with a desired size and proportions.

Resize pictures
This image editing software Mac app is very easy to use. You can change the width and height of all the images proportionally, by percentage, by max size or enter your custom dimensions. PhotoBulk will maintain the aspect ratio according to new dimensions you choose for the images.

Optimize images
Every byte matters when we are talking about a large number of images to be shared on the Internet. With Mac OS image editor you can compress many PNG or JPEG files in a single click. Reduce image size while maintaining the original resolution, quality, and format.

Rename
No need to worry about those not informative image names, because with PhotoBulk you can rename any number of photos at once with the names that actually tell you something about the image, not just when it was taken. You can add any number of digits to photo names and keep the originals if needed

Convert
This friendly Mac OS X image editor allows converting hundreds of photos at once. You can save all resulting images in a desired format, which includes PNG, JPG, TIFF, GIF, JPEG. You can also convert HEIC files on 10.13 into other formats.