Vertical Video is a type of video format that is optimized for viewing on vertical screens, such as smartphones and mobile devices. Instead of the traditional horizontal format, Vertical Video adapts to the way people normally hold their phones - upright.

The vertical format has become increasingly popular due to its ease of use and ability to better fill the screen on mobile devices. This type of video is perfect for social media platforms such as Instagram Stories, Snapchat and TikTok, where users interact with content on their mobile phones.

As for format sizes, they can vary depending on the platform, but here are some common dimensions for Vertical Video:

Instagram Stories: 1080 x 1920 pixels (9:16 aspect ratio)

TikTok: 1080 x 1920 pixels (9:16 aspect ratio)

Snapchat: 1080 x 1920 pixels (9:16 aspect ratio)