AB Roll Pro Max
A-roll + B-roll overlay with AI · 3 hours → 3 minutes
Long A-roll footage + short B-roll clips → Composite with smooth fades → Portrait 1080×1920 MP4
How it works
1
Upload A-roll
Your long main footage (MP4, ≤ 2 GB)
2
Upload B-rolls
Multiple short clips (≤ 5s each, MP4)
3
AI Plans Coverage
Auto-picks which B overlays which A gaps (coverage-weighted)
4
3-frame Fade + Encode
Smooth alpha fade in/out, GPU NVENC encode, portrait 1080×1920
Technical Specs
Output Portrait 1080×1920 MP4
Encoder H.264 NVENC (GPU)
CRF 16 (high quality)
FPS 30
B segment 3 sec (range 2-4s)
Transitions 3-frame alpha fade (0.1s)
Max B per A 8 overlays
SSO cutdee.com (OAuth 2.0)
Why AB Roll Pro Max?
Without AB Roll Pro Max
- ❌ Manually edit 3+ hours of footage
- ❌ No AI to suggest B-roll placement
- ❌ Hard cuts (or no transitions)
- ❌ Landscape only (no vertical)
- ❌ No SSO across apps
With AB Roll Pro Max
- ✅ 3 minutes total processing
- ✅ AI coverage plan (no-repeat lens)
- ✅ 3-frame smooth alpha fade
- ✅ Portrait 1080×1920 (TikTok-ready)
- ✅ Cutdee SSO (login once)