

Open Automator from your Applications folder (or search for it using Spotlight with Cmd + Space) and click New Document.

Once you create a workflow in the Automator app, save it as an application, and add it to your Dock, you can simply drag and drop images onto the icon. Using a custom Automator app to batch convert and resize a group of images is faster than using Preview. Don't be intimidated by Automator-it's easy to use.
#Encode pdf for mac mac#
Note that if your images are all different sizes, you may want to use percent, because it's relative to the original size.īatch Convert and Resize Images Using AutomatorĪutomator is a powerful, built-in utility on your Mac that allows you to create custom automation apps without knowing any coding. If you want the Height to adjust automatically when you enter the Width, or vice versa, make sure to check the Scale proportionally box.Įnter values for one or both the Width and Height and click OK. Select Tools > Adjust Size from the menu bar.Ĭhoose the units you want to use (pixels, percent, inches, cm, mm, or points) from the dropdown box to the right of the Width and Height fields. From there:Ĭlick in the left pane then press Cmd + A, or click Edit > Select All from the menu bar to select all the images. If you have the Preview icon on your Dock, you can also drag the selected files onto the Preview icon to open them. In Finder, select a group of image files, and right-click on them. One hidden but useful feature is the ability to batch convert and resize a large group of images with Preview. The built-in Preview app has been around a long time on macOS, and you can do much more with Preview than just view images. But you can also do each separately on your batch of images.īatch Convert and Resize Images Using Preview We'll also introduce a couple of third-party apps that will do the trick with some extra features thrown in.įor this guide, we'll combine converting and resizing. Instead of changing each image separately, there are easy ways to quickly batch convert and resize images on your Mac.īelow, we look at using the built-in tools in Preview and Automator to batch convert and resize images.

Do you work with a lot of images at one time? Maybe you have a large group of images you need to resize to a consistent size and convert from PNG to JPG.
