Drop your voiceover and pictures — get a finished video, matched to your voice to the second.
▲ A real video made with this app — watch what it does
You need a license key from MOTION-X to enter. One key works on one device — yours.
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Reading your voice…
Keep this open — matching takes a few seconds.
1 · Add files2 · Match3 · Edit & Export
1 · Gemini key (the Supervisor — optional)
Key is checked live, stored only on this device.
2 · Voiceover
🎙 VoiceoverOne file, or pieces — pieces auto-join in order.
No voiceover yet.
3 · Images & clips
🖼 MediaAny order, any count — or one ZIP of images: it unpacks itself, in order. Sorted by name/time signals; fix on the storyboard.
No media yet.
No images yet?
Make them with the image tool from our AI Tools page — it saves pictures numbered, in your story's order. Then upload them all here: they seat themselves in order, no fixing.
Subtitles are on — they are made from your voice automatically when the video opens.
Preview — plays exactly what will export
Your matched timeline plays here.
⤢
0:00 / 0:00Space = play/pause · ←/→ = step · click any segment to jump
Storyboard order
Format
Aspect ratio
Quality
Frame rate
Export ends at
Captions (auto)
Style
Size
Or tap the caption on the video preview. Everything shows on the preview instantly.
Listens to the voiceover and writes the caption words for you (your free Gemini key, 1 call). The Supervisor below also matches your pictures to the words.
Supervisor (Gemini key)
After captions are written from the voice (Supervisor or the free on-device listener), this rebuilds the parts from the voice itself: every picture changes at the exact second its sentence starts.
Export
2K / 4K upscale smaller pictures and take longer — 4K is slow on a phone.
Shortcuts: Space play · ←→ step · Ctrl+Z undo · Del black gap
Install: browser menu → “Add to Home Screen”. Works on iPhone, Android, iPad, Windows and Mac.
4 · Timeline — drag a picture's edge to trim it · tap a picture to select it · drag the red ▼ to set where the video ends.
▼
No timeline yet.
Install AutoVideo
Install it once from this page — after that it opens from its own icon, like any app. No website visit needed.
📱 Android (Chrome) Tap the Install button above, or the browser menu ⋮ → “Install app”.
🍏 iPhone / iPad (Safari) Tap the Share button, then “Add to Home Screen”. The icon appears on your home screen.
💻 Computer / Laptop (Chrome or Edge) Click the Install button above, or the install icon at the right end of the address bar. It opens in its own window, with a desktop icon.
Caption style
Size
Position
Font
Accent colour
Tip: you can also drag the caption on the picture to put it anywhere, and drag the yellow ⤢ handle at its corner to make it bigger or smaller. Long captions always shrink and wrap to stay inside the picture.
Applies to the preview instantly and is burned into the exported video.
Segment
Picture / clip
Motion
Fit
Clip starts at (sec)
Transition to next
Transition length (sec)
Apply to every segment
One segment or all of them — your choice. "→ ALL" sets this segment's transition (or motion) on every segment at once.