Key takeaways
- A 9:16 vertical video under each platform’s duration limit typically works across Reels, Shorts and TikTok — check the media spec checker for exact current limits.
- Each platform gets its own caption field, since hashtag conventions and character limits differ.
Short video planner use case: check each platform’s real spec
Aspect ratio, duration and file-size limits differ slightly between Reels, Shorts and TikTok — check the media spec checker before uploading.
Upload once, adjust captions per platform
Add your video to the composer and select all three destination platforms; each gets its own caption field. Publish all three at once, or stagger them if you want to test performance on one platform first.
use casevideoreels
FAQ
- Do Reels, Shorts and TikTok need different video files?
- Usually not — a 9:16 vertical video under each platform’s duration limit typically works across all three; check the media spec checker for exact current limits per platform.
- Can I use different captions on each platform?
- Yes — each platform gets its own caption field in the composer, so hashtags and phrasing can differ per platform.
- Does SkedCast support Instagram Reels specifically?
- Yes — see the dedicated Instagram Reels scheduling page for that platform’s specifics.