Video Modification (`Luma`): Required **English prompt** + uploaded **video URL**. Input formats: MP4, MOV, AVI—max **500MB**, max **10 seconds**. Optional watermark identifier. ONCE pricing per modification; credits shown on the Modify Video button.
Luma on FuseAITools is **not** text-to-video—use Seedance Text/Image to Video or Wan Text to Video to create clips from scratch, then optionally refine with Luma or other edit flows.

