Open the video in a video editor or media player with speed controls
Find the playback speed or speed/duration setting
Increase the speed above 1x
Choose a preset speed or enter a custom value
Apply the change
Export or save the accelerated video
Use keyboard shortcuts if the app supports them
On mobile, use a built-in trim or speed tool in the gallery or editing app
On desktop, use editing software such as Premiere Pro, Final Cut Pro, DaVinci Resolve, or iMovie
For online tools, upload the video, adjust speed, and download the result