AI Video Editor
Describe the change and let the model do the edit: restyle a shot, swap a background, extend a scene. No timeline, no keyframes. Free credits on signup.
What can you create with AI Video Editor?
AI video editing with a prompt
Describe the change instead of building it. 'Make the sky overcast and drop the saturation' or 'remove the car on the right' is the whole interface. There is no timeline, no keyframes and no mask to draw, which makes it fast for the class of edits that would otherwise be twenty minutes of fiddling and slow for anything that needs frame-accurate control.
Restyling and background changes
Restyling a shot and swapping a background are the two that work most reliably, because both are global changes the model can apply consistently across frames. Localised edits — remove this one object, change that one garment — are harder, and the tell when they fail is flicker: the change holds for most frames and slips for a few. Shorter clips fail less often than long ones.
Extending a shot past its original length
Extending a shot past its original length is its own operation: the model continues from the final frame and carries the motion forward. It works best when the motion is steady and the scene is not about to change — a slow push in extends convincingly, a fast whip pan does not. Expect a couple of seconds of usable extension rather than doubling the length of a clip.
Prompt-based editing vs a timeline editor
A timeline editor gives you exact control and expects you to know what you want. Prompt-based editing gives you speed and expects you to iterate. They are not really competitors: the honest workflow is to make the generative changes here, then take the result into a real editor for cutting, timing and sound. Anything that has to land on a specific frame belongs in the timeline.
Which model handles video edits best
Flux Kontext is the instruction-following specialist and is the best choice when you are changing one thing and want everything else untouched. Kling 3.0 is stronger when the edit is stylistic and the whole frame is meant to change. Both sit in the same picker, and because edits are cheap relative to full generation, trying both is usually faster than reasoning about which will win.
What usually goes wrong, and how to avoid it
Prompt-based editing fails in two directions. It changes more than you asked, which you fix by naming what must stay identical. Or it changes nothing visible, which usually means the instruction was too abstract — 'make it better' does nothing, 'raise the exposure and cool the shadows' does something. Flicker on localised edits is a length problem more than a model problem; shorter clips hold together.
Why edits should not be stacked
Prompt edits compound badly. Applying three in sequence to the same clip degrades it faster than applying one well-specified edit, because each pass re-renders what the previous pass produced rather than the original footage. If you need several changes, write them into a single instruction and run it once. When that fails, go back to the source clip rather than editing the edit.
How to use AI Video Editor
- 1Sign in (free)
Create a SoonMaker account in one click with Google. You'll get free credits immediately — no card required.
- 2Upload a photo or describe the shot
Most video tools start from a still image — drop one in and it becomes the first frame. For text-to-video, just describe the scene, the motion, and the camera move.
- 3Pick a model and render
Choose from 16 video models depending on what matters: Veo 3.1 for synced audio, Kling 3.0 for stylised motion, Seedance 2.0 for commercial polish. Hit Generate and download the clip.