Key Selected Clips
When you’re working in the Video Sequencer, these operators let you keyframe a clip property across every selected strip with a single click.
Keyframe All Selected Clips
Inserts a keyframe for the clicked property on every highlighted strip. If “Use Active Clip’s Value” is enabled in add-on preferences, all other strips are first set to match the active strip.
Delete Keyframes for All Selected Clips
Removes keyframes for the clicked property from every selected strip. Any existing animation on that property is wiped clean.
Note: These operators only appear when the mouse is over the Sequencer and you right-click a UI field that is key-able.