How to Change Image Size on Mac

If you plan to share an image with someone who is also an Apple user, you can use the High Efficiency Image Format (HEIC) to reduce its size. For example, if you have an original JPEG file that is 3024 x 4032 pixels in size and weighs 2.9 MB, you can convert it using a Quick Action on your Mac.

To start, select an image and choose 'Convert Image' from the right-click menu (or control-click) in the Finder. This will open the Convert Image Quick Action dialog box. From here, you can change the file size to one of four settings: small, medium, large, or actual size. You can also choose whether to keep the file's metadata.

For example, if you select 'small' from the dropdown menu, your file will be reduced in size from 2.9 MB to just 31 KB. This is particularly useful when preparing an image for sharing or uploading online.

In addition to changing the file size, you can also convert an image to a different format using the Convert Image Quick Action. This feature allows you to change the file type from JPG to PNG or HEIC, making it easy to adapt your images for various purposes.

Overall, the Convert Image Quick Action is a helpful tool for anyone who needs to resize or convert an image on their Mac. With just a few clicks, you can quickly and easily change the size and format of your images to suit your needs.

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