Add a white "Flash" overlay at every beat. Set the blend mode to Overlay and use a quick "Fade Out" animation.
This is the easiest method if you want CapCut’s AI to handle the beat-syncing for you. Open CapCut and start a new project. how-to-make-velocity-edits-on-capcut
Velocity edits are a popular video trend where the speed of a clip fluctuates to match the beat of the music, creating a high-energy, rhythmic effect. In CapCut , you can achieve this either automatically with AI or manually for more control. ⚡ Option 1: The Quick Way (Auto Velocity) Add a white "Flash" overlay at every beat