
Anecdotally speaking, it feels a little more sluggish than Automator but it’s a viable option if you don’t get along with Automator. Like Automator, Shortcuts can automate a huge variety of repetitive actions. You’ll be prompted to input a size when the workflow runs, after which your images will be resized. Now select an image (or group of images) in Finder, right-click and choose the workflow you just created under the “Quick Actions” section. Now hit Command+S and give your workflow a name you’re happy with. You can also specify a “default” size in the “Scale Image” section that will be pre-filled when you run the workflow. This will tell macOS to ask for your input at this stage in the workflow. Click on “Options” and then make sure the box next to “Show this action when the workflow runs” is checked. But it’s also possible to create a simple Automator workflow that prompts you for a custom size, which requires one more step to execute.įirst, follow the steps in the previous section and create the same workflow, then turn your attention to the “Scale Images” section. You can select a lot of images and resize them all to a set size in virtually no time. The beauty of the previous workflow lies in its one-click approach. Resize Images to a Custom Size with Automator You can now use your action by right-clicking (or two-finger clicking) an image file in Finder and then selecting “Quick Actions” followed by the workflow you just created. Use the “Image” drop-down to select an icon you want to associate with the action, and customize the color if you want. To do this, launch Automator and choose “Quick Action” when prompted.Īt the top of the workflow area, change “Workflow Receives Current” to “image files” and specify “Finder” as the application. You could open an image editor every time you want to perform this action, or save time by using Automator to create a Quick Action that you can access from your right-click (two-finger click) menu instead. Let’s say you run a blog and you frequently convert images to a specific width or height.

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RELATED: How to Create Custom Keyboard Shortcuts for Any Mac App Resize Images to a Set Size With Automator Once you’re done, hit Command+S to save your file. You can also click on the “lock” icon to scale the vertical and horizontal axes independently, but be aware that this will skew the image.


You can choose from predefined sizes into which your image will sit, specify custom dimensions, or change the file resolution. With your file open, click Tools > Adjust Size at the top of the screen. If you haven’t changed the default file associations for your Mac, double-clicking on an image file should open it in Preview (alternatively you can right-click then choose Open With > Preview). Any image file that will open in Preview can be resized with Preview.
