1. Open Preview.app.
2. Select the whole image and copy it [⌘-a ⌘-c].
3. Menu bar > Tools > Adjust Size then click the lock icon. Set to desired dimensions and save.
4. Paste the image over the distorted image. Do what you will with the extra space.
1. Open Preview.app.
2. Select the whole image and copy it [⌘-a ⌘-c].
3. Menu bar > Tools > Adjust Size then click the lock icon. Set to desired dimensions and save.
4. Paste the image over the distorted image. Do what you will with the extra space.