There are also apps for iOS and Android instazoom devices that you can use to enhance your Instagram photos. These apps can be found in the App Store or Play Store and can be downloaded for free. You can use these apps to enlarge any user's Instagram profile picture. All you have to do is enter the username of the person whose profile picture you want to enlarge. Another way to grow your Instagram profiles is to use the accessibility feature on your device. This is available on most smartphones and can be accessed through the setting and power on. You can also press an image or video to enlarge it. If you're on a desktop, you can use the same method to enlarge your photos. Just open the Instagram app on your computer and place your cursor over the photo or video you want to enlarge.