User Guide

How to use Wondershare UniConverter (originally Wondershare Video Converter Ultimate)?
Learn the step-by-step guide below.

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Best image converter for Mac to convert image format and resize images on Mac

In addition to video and audio, Wondershare UniConverter for Mac (originally Wondershare Video Converter Ultimate for Mac) also works as an excellent image converter for Mac. With Wondershare UniConverter for Mac, your images can be converted to JPG, PNG, BMP, TIFF, KTX, ASTC, TAG and a host of other formats. You can even resize an image on Mac without losing quality. It allows converting a single picture or multiple image files in batch at a time. Follow the steps below, and you'll learn how to convert and resize images easily on Mac.

Step 1 Launch Wondershare Image Converter on Mac.

Download, install, and run the Wondershare software on your Mac. The left side of the main interface shows the supported functions. Go to Toolbox and then select Image Converter option

launch best image converter on Mac

Step 2 Add images to Convert.

A new Image Converter pop-up window will open, from where click on the + Add Images button to browse and load image files on your Mac. Multiple pictures can be added at a time. Alternatively, you can also click on the + sign to add the images.

add images need to convert

Step 3 Edit and customize the image settings.

The added image appears on the interface with a thumbnail image. Under the image, you can see the icons for Crop, Effect, Settings.

edit images on Mac

Right-click on the image and there are options for Preview, Open File Location, Delete, Clear Converted Task, and Attribute.

customize picture parameters

Crop: Click on the first Crop icon and a new Image Edit window will open.

crop image mac

Rotate Image: Under the Rotation section, you can rotate image anti-clockwise, clockwise, Flip Horizontal, and Flip Vertical by clicking on the icons. The Original window shows the added image while the Output Preview window shows the image with changes made.

Crop Image: To crop the image, move the corners at the Original Preview window and adjust the image size. You can also move the + sign at the centre to select the cropped area. Alternatively, you can also enter the specific Crop Area Size.

Clicking on the Reset button will bring back the original image settings and clicking on the OK button will save all changes.

Effect: Click on the Effect icon, and a new window will appear.

Select the Effect tab from the pop-up window. Adjust the Brightness, Contrast, and the Saturation of the image by moving the slider at the respective parameters. Click on the OK button to confirm the changes and Reset button to get back to original settings.

adjust effects to images

Settings: Click on the Settings icon to launch the Quality Setting window.

Resize the image for its width and height. Option to Keep Aspect Ratio is also there. To resize images in batch, click on the Settings icon at the top-right corner of the interface.

resize images on Mac

Step 4 Choose the output image format.

Next, choose the images for which you want to convert the format. Click on the Select All box to choose all the images added. At the top-right corner, open the drop-down icon at the Convert all images to tab and select the desired format from the given options.

choose output format for images

Step 5 Convert and resize images on Mac.

At the Output tab, choose the Mac location to save the converted images. Finally, click on the Convert All button to convert the added photos to the selected image format easily and quickly.

resize image and convert format