> ## Documentation Index
> Fetch the complete documentation index at: https://carat.im/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Change video aspect ratio

> Easily change your video to fit different social media platform ratios.

A feature that adjusts the aspect ratio of already generated videos to fit various platform specifications.

## How to use

Request your desired ratio along with the video in the Chat.

```text theme={null}
Make this video vertical 9:16 ratio.
```

```text theme={null}
Change this video to horizontal 16:9 ratio.
```

```text theme={null}
Make it 1:1 square ratio.
```

<Tip>
  Refer to optimal ratios by platform for more effective requests.

  * **YouTube Shorts / Instagram Reels / TikTok**: 9:16 (vertical)
  * **Regular YouTube videos**: 16:9 (horizontal)
  * **Instagram Feed**: 1:1 (square) or 4:5 (vertical)
</Tip>