Turn a Vertical Clip Into a Wider Frame
Choose a wider aspect ratio and AI generates new area around your original footage, so the clip fills the frame.
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AI Video Extender App: Expand Your Video Frame on Your Phone
Widen the frame of a video in YouCam Video. Choose a new aspect ratio, let AI fill in the new edges, preview the result and save.
Try Video Expansion
Fit a Square Clip to Widescreen
A square clip can be expanded to a 16:9 frame, so it sits in a widescreen layout without being cropped.
Reframe a 4:3 Clip
Pick a new ratio for a 4:3 clip and expand it, then preview the new edges before you save.
How to Expand a Video With AI
- Open YouCam Video
Download the app for iOS or Android and open it. - Tap Video Expansion and add your video
Choose a vertical, horizontal or square clip from your gallery. - Select an aspect ratio
Pick 9:16, 1:1, 16:9, 4:3 or 3:4. - Tap Expand and preview
AI generates the new edges. Check the preview before you continue. - Save your video
Save the expanded video to your phone.
Tips for Better Expanded Videos
Expansion adds new area around your footage. These habits help you get a result you like.
Match the Ratio to Where It Plays
Choose the ratio before you expand: 9:16 for tall screens, 1:1 for squares and 16:9 for widescreen players.
Leave Room Around the Subject
Expansion generates new area around your original footage, so keep the subject where you want it and look over the new edges.
Preview Before You Save
Use the preview to check the new edges. If you do not like the result, try another ratio before saving.
AI Video Extender FAQs
What does the AI video extender in YouCam Video do
Video Expansion widens the frame of your video. AI generates new content beyond the original edges so the clip fits the aspect ratio you choose.
Does it make my video longer
No. Video Expansion changes the frame and aspect ratio of your video. It does not add extra seconds to the clip.
How do I expand a video on my phone
Open YouCam Video, tap Video Expansion, add your clip, select an aspect ratio, tap Expand, preview the result and save.
Which aspect ratios can I choose
You can choose 9:16, 1:1, 16:9, 4:3 or 3:4.
Can I preview the result before saving
Yes. You can preview the expanded video, and try another ratio if you want a different look.
Does it work on vertical, horizontal and square videos
Yes. You can use Video Expansion on horizontal, vertical or square clips.
Which app do I need and is it free
Use YouCam Video, available for iOS and Android. The app is free to download.
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