Free tool
YouTube Shorts size and aspect ratio
1080 × 1920, 9:16, up to three minutes. Drop a clip below to see whether YouTube will treat it as a Short — and what Instagram and TikTok would do with it.
Checked against
- YouTube Short9:16 · 3m
- Instagram Reel9:16 · 3m
- TikTok Video9:16 · 10m
This reads your clip and reports — it does not re-encode it. Converting video in a browser means a very large download and a long wait, which is worse than the problem. Use your editor to change the shape, then check it here.
What the platform wants
- Resolution
- 1080 × 1920
- Aspect ratio
- 9:16
- Maximum length
- 3m
Three minutes since late 2024. Anything longer is published as a normal video rather than a Short.
Questions people actually ask
Then post it
Once the clip qualifies as a Short, your assistant can post it everywhere
Say what to post and when — it goes out on time to every account, without you opening a tab.
Paste this into your client
{
"mcpServers": {
"viewprinter": {
"type": "http",
"url": "https://viewprinter.tech/api/mcp"
}
}
}