shortcast
Native macOS app: drop a long video → auto-cut viral shorts, captioned for TikTok/Reels/YouTube, reframed to vertical, and scheduled. 100% on-device (Gemma 4 12B + WhisperKit + MLX).
- apple-silicon
- gemma
- instagram-reels
- macos
- mlx
- on-device-ai
- swift
- swiftui
- tiktok
- youtube-shorts
- Stars
- 391
- Forks
- 53
- + today
- +1
- Created
- 5mo
Ranking data as of October 21, 2026 (UTC).
Star History
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Overview
Native macOS app: drop a long video → auto-cut viral shorts, captioned for TikTok/Reels/YouTube, reframed to vertical, and scheduled. 100% on-device (Gemma 4 12B + WhisperKit + MLX). It ranks #2301 on GitTiger, gaining +1 star on October 21, 2026 (UTC).
The project is written in Swift and has 53 forks. It was created 5mo ago.
Installation
git clone https://github.com/mutonby/shortcast.git
cd shortcast
# see README for setup