YouTube Shorts

What are YouTube Shorts?

YouTube Shorts are short, vertical videos that play in a dedicated full-screen, swipeable feed separate from YouTube’s standard video player and horizontal video library. They’re built to be watched the same way TikTok or Instagram Reels are: one video filling the entire mobile screen, with a swipe up for the next.

The core difference from a standard YouTube video is format and length. Regular YouTube videos are typically horizontal (16:9), can run for hours, and live in YouTube’s traditional library and search experience. Shorts must be vertical or square and fall under a strict length cap, placing them in an entirely separate discovery feed built for quick, consecutive viewing.

How YouTube Shorts Work

Shorts appear in a dedicated tab and feed on YouTube, algorithmically recommended to viewers based on engagement signals, similar to TikTok’s For You page, rather than relying primarily on subscriptions or search. Any channel can upload Shorts alongside its regular content, and a video is automatically classified as a Short once it meets the format’s aspect ratio and length requirements, no special upload process or hashtag required.

YouTube Shorts Formats and Specs

What size are YouTube Shorts? A Short must be vertical or square, with 9:16 (1080 × 1920 pixels) as the recommended aspect ratio, and run three minutes or less. Videos exceeding that length, or shot in standard horizontal 16:9, are classified as regular YouTube videos instead, even if uploaded through the same process.

YouTube Shorts vs. TikTok and Instagram Reels

All three platforms share the same core format, vertical video, algorithmically distributed to a broad audience rather than just followers. The real differences lie elsewhere.

YouTube Shorts benefit from YouTube’s existing search infrastructure and can have a longer discovery lifespan than TikTok or Reels, where content usually peaks and fades within days. YouTube also offers more integrated monetization options tied to its established Partner Program.

Because the technical specs overlap so closely, the same source video can often be exported once and posted across all three platforms with minimal adjustment.

Why Brands Use YouTube Shorts

Shorts give brands and creators a way to reach new audiences through YouTube’s recommendation algorithm, rather than relying solely on subscriber counts, extending content reach well beyond people already following a channel.

They’re also a practical way to repurpose vertical content already produced for TikTok or Instagram, publishing the same asset across platforms instead of creating something format-specific from scratch.

For brands building a YouTube presence, Shorts offer a lower-effort entry point than long-form video, while still contributing to overall channel growth and watch time.

YouTube Shorts for UGC Campaigns on SideShift

With SideShift, you get access to a pool of 1M+ creators who can produce vertical, short-form UGC content built from the ground up for feeds like YouTube Shorts.

Brief dozens of creators at once and you can test different pacing, hooks, and framing across Shorts, instead of betting on a handful of creators.

Track what earns the most views and engagement by creator and asset, then brief more of it. Post a brief on SideShift and turn Shorts into a steady production line.

Try SideShift for free today.