Schedule YouTube videos and Shorts with metadata ready to go
PostSyncer uploads to your channel ahead of time with the title, description, tags, thumbnail, playlist and visibility already set, then publishes at the scheduled minute. Shorts and long-form videos live in the same calendar as your other networks.
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What you can schedule on YouTube
Every format below publishes automatically at the time you choose. No reminders, no copying captions from another app.
Long-form videos
Upload the file, set metadata and visibility (public, unlisted or private) and schedule the publish time.
Shorts
Vertical videos up to 3 minutes publish as Shorts automatically.
Thumbnails and playlists
Attach a custom thumbnail and add the video to a playlist as part of the scheduled post.
Audience settings
Set the made-for-kids flag per video so your channel stays compliant.
YouTube limits and sizes
PostSyncer checks these limits while you compose, so a post that schedules cleanly also publishes cleanly. Values are YouTube’s published limits as of 2026.
| Element | Limit or size |
|---|---|
| Title | 100 characters |
| Description | 5,000 characters |
| Tags | 500 characters in total |
| Shorts | Up to 3 minutes, vertical 9:16 |
| Long-form video | 16:9 at 1920×1080 or higher; up to 12 hours or 256 GB on verified channels |
| Thumbnail | 1280×720 JPG or PNG under 2 MB |
How PostSyncer's YouTube Scheduler Works
Get started in minutes with our intuitive workflow
Connect Your YouTube Account
Securely link your YouTube to PostSyncer with just a few clicks. Add multiple accounts if needed for comprehensive social management.
Create and Schedule Content
Compose tweets, add media, and select posting times. Schedule individual tweets or bulk upload your content calendar for maximum efficiency.
Track Performance & Optimize
Monitor engagement, analyze results, and refine your YouTube strategy based on comprehensive performance data and actionable insights.
Best times to post on YouTube
YouTube viewing peaks in the evening, so publishing a few hours earlier gives the algorithm time to index and start recommending. Weekend afternoons work well for long-form.
Read the full YouTube timing guide →- Weekdays, 2–4 pm
- Saturday and Sunday, 9–11 am
- Thursday and Friday for Shorts
Free YouTube tools
Prepare posts before you schedule them.
Schedule your other networks
The same calendar covers 11 networks.
YouTube scheduling FAQ
How does PostSyncer decide whether a video is a Short?
YouTube does: vertical or square videos up to 3 minutes are treated as Shorts. Upload a 9:16 file under that length and it publishes as a Short.
Can I set a custom thumbnail on a scheduled video?
Yes, on channels that have verified their phone number with YouTube. Upload a 1280×720 image when you schedule and PostSyncer applies it at publish time.
Can scheduled videos go straight into a playlist?
Yes. Pick the playlist in the composer and the video is added when it publishes.
Do I control visibility?
Yes. Choose public, unlisted or private per video; unlisted is useful for sharing with a client before the public launch.
Can I repurpose a YouTube video to other networks?
Yes. Schedule the same file to TikTok, Instagram Reels and Facebook from the same post, with per-network captions.
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