Instagram Schrift is an app that allows you to change the font of your Instagram posts. The app has a variety of different fonts that you can choose from, including All Caps, Small Caps, Bubble Text, Square Text, Bold, Old English Text, Italic, Upside Down Text, Strikethrough, Invisible Ink, and Zalgo. To use the app, simply type in the text that you want to change the font of and then select the font that you want to use. The app will then generate a new image with the changed font.