Transform any existing video with AI. Change backgrounds, restyle scenes, relight, add objects, and apply professional color grades — all while preserving the original motion and structure.
Each transformation uses Runway Gen-4 Aleph's in-context understanding to preserve motion while applying your changes.

Hollywood-grade color grading and motion enhancement
Example prompt:
“Add cinematic depth of field and dramatic lighting”
Transform the entire visual style — anime, oil painting, watercolor
Example prompt:
“Transform into Studio Ghibli animation style”
Replace the background while keeping subjects intact
Example prompt:
“Replace background with a sunset beach”
Change the entire lighting mood of your video
Example prompt:
“Change to neon night cyberpunk lighting”
Add new elements — snow, fire, particles, animals
Example prompt:
“Add falling snow and atmospheric fog”
Professional color grading presets — teal & orange, vintage
Example prompt:
“Apply teal and orange blockbuster color grade”
Three simple steps to transform your video with Runway Gen-4 Aleph
Upload any MP4, MOV, or WEBM file up to 100MB. Best results with 5–30 second clips at 720p or higher.
Select from 6 transformation types and write a prompt describing exactly what you want. Gen-4 Aleph understands your intent.
Gen-4 Aleph processes your video in 1–3 minutes. You'll receive an email when it's ready to download.
Unlike text-to-video models that generate from scratch, Gen-4 Aleph is an in-context video model. It reads and understands your source footage, then applies transformations while maintaining the original motion, physics, and temporal consistency.
Pay only for what you generate. No subscription required.
Quick transformations
Longer content
Any duration
Everything you need to know about Video-to-Video AI
Upload your video and apply any of 6 AI transformations. No subscription, no commitment — just pay per second.
Tienes dudas? Revisa las preguntas frecuentes o habla con nosotros
We use cookies
We use essential cookies to make our site work, and optional cookies for analytics and personalized ads (Google AdSense). · Cookie Policy