Submagic
freemiumAuto-caption + viral-style shorts in one paste
About
Submagic is purpose-built for converting long-form to viral short-form. Templates copy the styles of top creators in your niche; the AI finds the strongest moments, adds animated captions in their style, drops B-roll, and exports per-platform aspect ratios. Sits between Opus Clip (clip discovery) and CapCut (manual styling) in the editing stack.
Key features
- Animated captions in 50+ creator styles
- Auto B-roll insertion
- AI hook detection on uploaded long-form
- Multi-platform aspect-ratio export
- Trending sound + emoji libraries
Best for
TikTok / Reels / Shorts creators Webinar repurposing