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1

Choose a sample project.

Let’s go ahead with “Vlog”
Templatevlog
2

Check the prompt and raw footage

The prompt and footage are pre-filled so you can jump straight in. The prompt is:
“Build the edit around @voiceover.m4a for an Instagram reel. Match visuals to the narration, choose the most relevant clips, and keep the rhythm tight and intentional”
What’s @voiceover.m4a? The ”@” lets you tag specific files. It’s like pointing and saying “Use this one here.”You can see the uploaded raw footage, scroll horizontally to explore the footage!
Pre-filled prompt and raw footage in the Cardboard editor
3

Choose Model and Aspect Ratio

Before you hit send, two quick things:
  • Pick your aspect ratio (9:16, 1:1, etc) - Bottom Left
  • Choose your AI model - Bottom Right
Press Enter!
4

Let the AI Cook!

Cardboard’s working. Grab a coffee. Go for a walk. Scroll some reels.
Cardboard AI processing your video edit
5

Preview your video

Your edit is ready. But the screen looks a little busy, let’s break it down:
  • Left panel (Media Library) - All your videos, images, and audio files exist here.
  • Centre panel (Canvas) - Your video. Hit Play to watch what AI edited for you.
  • Bottom panel (Timeline) - All your clips are sequenced here. Drag them to reorder.
  • Right panel (AI Chat) - Keep the conversation going with Cardboard.
Watch it through. See what AI did. Maybe it nailed it - maybe you want changes. Either way, the tabs on the left side let you add frames, captions, music, SFX, filters, and more.
6

Export your video

Happy with it? Click “Export” in the top-right corner.Choose the resolution and click “Export Video”
Export dialog with resolution options
You don’t have to do everything with AI. You can manually trim, split, and rearrange clips on the timeline at any time. Use whatever mix of AI and manual editing feels right.

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Example prompts to try next

Once you have the basics down, try these prompts in the AI Chat:
  • “Add a title card that says ‘My First Video’ at the beginning”
  • “Add transitions between every clip on the timeline”
  • “Add a fade out in the end of video”

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Next Steps

How to Talk to Cardboard

Learn how to prompt to get the best results.

Auto-Generated Captions

Add captions to your videos automatically.