Why start from a still
Text-to-video invents everything at once: framing, set, product, people and motion. If one of them is wrong, the whole clip goes back. Starting from an image splits the work into two approvals. Stills are quick to review and easy to correct, so composition, styling and product accuracy can be settled first, at the cheaper stage. The video step then adds only movement. It also lets existing approved assets, such as a key visual or a packshot, become motion without starting again.
Start and end frames
Some tools take both a first and a last frame and generate the motion between them. That suits reveals, before-and-after transitions between product variants, and clips that must finish on an exact packshot with space for the logo. The two frames must agree on light, perspective and scale, or the model fills the gap with a morph rather than a movement. When the end frame matters most, as with a packshot, make it first and build the start frame from it.
Asking for the right motion
Describe what moves and what stays still: steam rises from the cup, the camera stays locked; fabric moves in a light breeze, the model holds her pose. Subtle, ambient motion, such as hair, water, light, smoke or leaves, holds up best and makes a still feel alive without risking the product. Large actions from a still, like a person standing up and walking away, ask the model to invent a lot and are where faces and bodies start to change. Avoid motion that reveals parts of a product the still does not show.
Checking the result, and the rights
Compare the last frame with the first: labels, logos, colours, hands and faces should match. Watch liquids, reflections and shadows, which often break physics mid-clip. For social, check whether the clip loops cleanly. Before animating existing photography, read the licence: some photographer and model agreements restrict alteration or limit use to stills. In Synthetic White, product lock keeps real products pixel-accurate in the source image, and the video editor trims, captions and exports the result in every ratio.
Updated 26 October 2026