Vace AI video is the fastest path from a sentence to something that moves. You describe a scene, the Vace AI video generator renders the opening frame, and the animate step carries that frame into a short clip - all in the browser, all free.
What Vace AI Video Is
Vace AI video is the generation and editing pipeline behind vaceit.com. It is deliberately built as one surface rather than a suite: the prompt box that creates a scene is the same one that moves an object, swaps a prop, expands the frame or restyles the shot.
That matters in practice because most AI video workflows lose time in handoffs. Keeping generation and editing in one place means an idea can be revised in seconds instead of exported, reopened and re-uploaded.
How Vace AI Video Works
The workflow has two stages, and the split is intentional. The first stage renders a still video frame from your prompt so you can iterate on composition, palette and framing without paying the time cost of a video render.
The second stage animates the frame you approved. Five preservation controls - content, structure, subject, posture and motion - keep the clip anchored to that frame instead of quietly re-imagining it.
- Prompt: describe the subject, the setting and the mood in plain English.
- Style and aspect: pick a look and a delivery ratio before you generate.
- Generate: the opening video frame arrives in seconds and can be regenerated freely.
- Animate: the approved frame becomes a short moving clip you can preview and save.
What You Can Make
Short social clips, product loops, concept frames, marketing visuals, explainer scenes, thumbnails and look tests. Anything you can describe in a sentence is a valid starting point for Vace AI video.
The strongest results tend to be single-shot ideas with one clear subject and one clear motion - a walk through a lit street, a slow push into a product, cloud drift over a landscape.
Quality and Limits
Generations are optimised for short-form output, so start short, check the result, then iterate. Longer or busier scenes take proportionally more processing and are more likely to drift.
The animate stage produces a preview-length sample of the Vace AI video style. It is honest about that on the page itself, and the still frame you generated is always shown alongside it.
Start Free
There is no account, no credit balance and no card. Pass one anti-bot check and generate as many times as you like. Because nothing is tied to a profile, save what you want to keep before the tab closes.