Right format for every platform
| Platform | Ratio | Tip |
|---|---|---|
| TikTok | 9:16 | Add a trending sound; loop-friendly styles get rewatched |
| Instagram Reels | 9:16 | Keep text away from the bottom 20% of the frame |
| YouTube Shorts | 9:16 | Chain 3–4 clips into a 15–20 s Short |
| Instagram feed | 1:1 or 3:4 | Use a cover frame with a clear face |
Styles that perform on social
- Paparazzi Flashes — red-carpet energy, perfect for “POV: you're famous”.
- City Giant — scale surprise that makes people stop scrolling.
- Dino Chase — funny action for meme accounts and pets.
- Snow Globe — seasonal content for November–December.






Workflow for a 15-second post
- Generate 3 clips from the same photo in different styles (9:16).
- Put them in sequence in TikTok, Instagram or CapCut.
- Add a trending sound and a one-line hook: “I turned my selfie into a movie”.
Specs
| Spec | VideoAI |
|---|---|
| Price to start | Free — 1 AI video + 1 AI photo per new visitor, no card |
| Account / sign-up | Not required — works instantly in the browser |
| Input | One photo (JPG, PNG or HEIC) + an optional text prompt |
| Output | 5-second MP4 video at 720p, or an AI photo |
| Aspect ratios | 9:16, 1:1, 16:9, 3:4, 4:3 |
| Render time | About 90 seconds on average (1–3 minutes) |
| Ready-made styles | 22 video styles + 8 photo styles, or write your own prompt |
| Watermark | Small badge on free videos; removed with any paid pack |
| Paid options | One-time packs from $4.99 — no subscription, no auto-renewal |
| Platforms | Any modern browser on iPhone, Android, Mac, Windows, ChromeOS |
FAQ
What is the best free AI video generator for TikTok?
For quick viral clips from a photo, VideoAI: vertical 9:16, 30 styles, no sign-up, first video free.
Can I post AI videos on TikTok and Instagram?
Yes. Follow each platform's AI-content labeling rules — TikTok and Instagram let you mark content as AI-generated.
How long are the clips?
5 seconds each. Combine several for a longer Reel or Short.