Build your first stack

1. In the stack pool, create a stack and open it. The editor opens with the preview canvas on the left and the tabs on the right.
2. On the Content tab, assign your clip as the main content — from a file, or straight from the inbox folder.
3. Drag the clip on the canvas to position it; scale it with the mouse wheel or the corner handles. What you see is what renders. Ctrl+Z undoes any step.
4. Optional, but worth it on the first run:
   • Add a background (image or video) behind the clip if it doesn't fill the frame.
   • Click Transcribe now on the Content tab for auto captions. The bundled speech model runs on your machine — free, nothing uploaded. Style the result on the Captions tab.
   • Add a hook line on the Hook tab — the text that opens the video.
5. Pick the brands this stack renders for.

Click to enlarge

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Press play under the canvas to watch the whole thing — captions, overlays and all — before rendering a single frame. Render preview in the header shows one variant exactly as the final file will look.