Runbo Li
CEO of Magic Hour
Runbo Li is the Co-founder and CEO of Magic Hour, where he builds AI video and image tools for content creation. He is a Y Combinator W24 founder and former Data Scientist at Meta, where he worked on 0-1 consumer social products in New Product Experimentation. He writes about AI video generation, AI image creation, creative workflows, and creator tools.
Latest articles
AI character replacement for video ad localization
· 5 min read
6 AI character replacement tools for video (2027)
· 10 min read
How to replace an actor in a video without reshooting
· 4 min read
How to put a cartoon character into a real video with AI
· 5 min read
How to turn yourself into an anime character in a video
· 4 min read
How to replace a character in a video with AI for free
· 10 min read
Testing Fable vs Sol in terms of taste (they are both bad)
· 38 min read
How to generate a storyboard with AI for free
· 10 min read
How to turn audio into video: 5 reliable workflows (2027)
· 5 min read
How to change video aspect ratio with AI: step-by-step
· 5 min read
How to extend a video with AI for free (no sign-up, step-by-step)
· 7 min read
29 open-source and open-weight image models for local use (2027)
· 35 min read