How can I speed up a video?

Changing the playback speed of video is one of the basic features of video editing apps. For personal use, you can download a video editing app from your app store. If you wish to incorporate a video editor into your app, software kits like Banuba Video Editor SDK/API could be useful. Banuba's solution a large variety of features that allow your users to film and alternate video footage, including the Rapid/Slo-Mo effect.