iResize

iResize is a free and super easy-to-use utility for Mac, and it’s known as "donationware." This means you can use it for free, but if you like it, you might want to support the developers. It’s all about resizing and renaming multiple image files at once, which is pretty handy!

Simple User Interface

The app has a clean and simple interface that includes an Image List, Image Viewer, and Options window. To add images, just drag and drop your files right onto the Image List. You can also hit the "Add or Remove Images…" button at the bottom of the list.

Previewing Your Images

You can check out each image in the Image Viewer. Plus, if you need to rotate them, you can do that too! Rotate your pics to 90, 180, or even 270 degrees before saving them with their new angle.

JPEG Compression Adjustments

A cool feature is adjusting JPEG compression for your photos. iResize even has a JPEG compression test window where you can tweak and preview the quality of your images in real-time.

Brightness Control

If the brightness levels on your original images don’t look great, no worries! You can easily adjust them from a drop-down menu in the Options window. There are lots of choices available from -25 to +25.

Batch Renaming Made Easy

The app also lets you batch rename pictures while resizing them. You can add sequential numbers or text to make things more organized!

Fast Resizing Process

Once everything looks good to go, just hit the "Resize All…" button in the Image Viewer. The process is quick—tens of images can be resized in just seconds depending on their size!

EXIF Data Viewing Feature

A neat bonus is its built-in EXIF viewer! If your image has EXIF data, you'll spot an "EXIF" button next to its name in the Image Viewer. Click it to see all that detailed information about your picture.

Your Go-To Image Resizer!

In conclusion, iResize is a user-friendly Mac application that gets things done quickly and efficiently. It's perfect for anyone needing a fast yet versatile batch image resizer and renamer.