Run the workflow to test it, otherwise click Save to create an application that allows you to drag and drop groups of image sizes.

Now click on “Photos” in the Library menu on the left, then double-click on “Scale Images” and select the pixel width of the image size.

Optional: Select “Add Text” from the drop-down menu and add “-resized” to the field below that appears after the filename.

Optional: Double-click “Rename Finder Items” in the library to also add that feature.

From the drop-down menu on the right, select “Other” under “To” and create a new folder called “Resize”.

Next, on the same Files and Folders menu, find Copy Search Items and double-click it.

Now, on the right, set “Ask for Finder items” to Start on the desktop, and then click the Allow multiple selections check box.

From the Library menu on the left, click “Files and Folders” and then double-click “Ask for Finder items”.

Click to start Automator and create a new application.

That’s because TextExpander uses the percentage sign for other purposes. for i in *.png do sips -s format jpeg -s formatOptions 80 '$jpg” into TextExpander. This short script, which I have as a snippet in TextExpander, makes short work of a host of PNG files. That’s where the beauty of bash scripting comes into play. That’s all well and good, but what if you have multiple images you want converted? Batch Scripting sips

That would convert IMG_1354.png to a JPG file with the image quality set to 80 percent. sips -s format jpeg -s formatOptions 80 IMG_1354.png –out IMG_1354.jpg You can also drag the folder icon of your directory into Terminal, which is usually much quicker. Just make sure you’re in the right directory first. If you just have one image to process, this Terminal command will convert it from PNG to JPG. The utility is able to resize images constrained to a particular size, resample your photos, and convert your pictures from one format to another. The name stands for “scriptable image processing system,” and it’s extremely handy. Then I found out (through an amazing feat of Google-Fu) about a funny-named little command in the Terminal called sips.

I’m a Terminal junkie, though, and prefer my method.

After finding this tool, I found that you can actually use Automator to batch convert and resize images. We prefer to use JPG at TMO, so I’d been converting them one at a time using Preview’s Export feature. When I drag pictures out of the Photos app on my Mac, they’re almost inevitably exported as PNG. It’s a pretty common thing for me, needing to batch convert image files from PNG to JPG. If you need to batch convert image files, like from PNG to JPG, this trick is right up your alley (Image Credit: MTZD) How I Found a Way to Batch Convert Image Files Note that this should work on just about any version of OS X or macOS the utility it depends upon has been around for quite some time. We’re going to use it to batch convert image files from PNG to JPG. I use this quick and dirty bash script mainly to convert from PNG to JPG files, but it can be easily modified and tweaked to do other things. If you’ve longed for a quick way to convert a handful of images (or more) from one format to another, I’ve got a treat for you.

Batch resize images mac