No - Kapwing is completely in browser, so you need to be connected to internet to use Kapwing. We do not currently have a downloadable app that allows you to create content offline, but we do have apps in the Apple App Store and the Google Play Store. Read more about our apps here:

Does Kapwing have an app?
Are you looking for Kapwing’s app? Find us in the Apple App Store, or the Google Play Store, and learn more about our apps in this article!