AI-Powered Podcast → Viral Video
Turn any podcast into a viral short in minutes.
Upload an MP3. CastFlow AI transcribes it, finds the perfect visuals, generates word-level animated captions and renders a vertical 9:16 MP4 ready for TikTok, Reels and Shorts.
Success starts with discipline
Rendering · 1080×1920
motivation-ep25.mp3Everything a great editor would do — automatically.
From transcription to rendering. CastFlow handles the entire pipeline so you can focus on the message.
AI Transcription
Word-for-word Whisper accuracy with timestamps, multi-language support.
Smart Scene Splitting
GPT-5.2, Claude 4.5 or Gemini 3 analyze content and split into viral scenes.
Royalty-Free Visuals
Pexels + Pixabay matched automatically to every spoken phrase.
Word-Level Captions
Animated, synced to every word — Viral TikTok, MrBeast, Documentary or Minimal.
1-Click Render
Vertical 9:16 MP4 at 1080×1920, H.264, ready for Reels & Shorts.
Legal & Safe
All visuals stored with source attribution and license info.
Pick a viral style. We do the rest.
Viral TikTok
MrBeast Style
Documentary
Podcast Minimal