This Repostit guide explains why youtube rejects videos that are too long in a way that is specific to the Repostit app.
This guide applies to the Repostit platforms currently supported in the app: TikTok, YouTube, Facebook, and Instagram.
Before you start #
- Make sure you can sign in to the social account you want to connect.
- Use the same browser session when completing the authorization window.
- Check that pop-ups and redirects are allowed for
https://app.repostit.io. - Only connect accounts you own or are authorized to manage.
Why YouTube rejects some videos #
A YouTube upload can fail when the file is too long for the destination format, when the aspect ratio does not match the expected Shorts format, or when YouTube flags the media during upload.
What to do next #
- Check the video’s duration in the original platform.
- Confirm whether you are trying to publish it as a Short or a regular YouTube video.
- Trim or re-export the video if it exceeds the destination limit.
- Retry the Repostit workflow after the source file is corrected.
Troubleshooting #
- If the connection window does not open, allow pop-ups and redirects for Repostit.
- If the wrong account opens, sign out of the social platform in your browser and reconnect.
- If a post fails, check whether the destination account allows the media type and duration.
- If you still need help, email support@repostit.io.
Platform-specific checks #
YouTube Shorts checks #
- YouTube authorization is tied to a Google account and channel picker, so confirm the channel before approval.
- Shorts performance depends on vertical format, duration, title, and whether YouTube accepts the upload as a Short.
- Open YouTube Studio after the first test if you need to confirm processing, visibility, or copyright checks.
Practical check #
- Keep the first version simple enough that you can verify it quickly.
- Write down the source account, destination account, and reason for the workflow.
- Review the first result on the destination platform before increasing posting volume.
Quality bar before you rely on this #
Before you treat this as a live Repostit workflow, publish one low-risk test and inspect the result on YouTube Shorts. A workflow is ready only when the correct source account, destination account, video format, and permission path all match what you expected.
If this is for a client or brand account, write down the source, destination, approval owner, and reason for the workflow. That small note prevents confusion later if someone asks why a post appeared on a specific channel, Page, or profile.
