# Shortcast

> Convert long videos into viral shorts using on-device AI on macOS

- Canonical URL: https://www.fosshunter.com/tools/shortcast
- JSON export: https://www.fosshunter.com/tools/shortcast.json
- Website: https://github.com/mutonby/shortcast
- Category: Video Editor
- Open source: yes
- Self-hostable: yes
- Verified listing: no
- Featured: no
- Published at: 2026-06-06T09:59:36+00:00
- Catalog revision: `903966813`

## Repository metrics (point-in-time)

- Repository: https://github.com/mutonby/shortcast
- Stars: 395
- Forks: 53
- Open issues: 6
- License: Apache-2.0
- Last push: 2026-06-04T21:23:55+00:00
- Metrics observed at (synced_at): 2026-11-04T06:52:12+00:00
- Archived: no

Tags: macOS, Video Editor, Video Editing, Tiktok, Artificial Intelligence, macOS App, YouTube Shorts, Instagram Reels, Apple Silicon
Tech stacks: Apple Silicon, MLX, swift, SwiftUI, Whisperkit

## Features
- Automatically converts long recordings into viral vertical clips. *(highlighted)*
- Processes all video and transcription 100% on-device for privacy. *(highlighted)*
- Includes automated captioning and social media post scheduling. *(highlighted)*

## Description

Shortcast is a native macOS application that uses on-device AI to automatically cut, caption, and reframe long videos into viral shorts for TikTok, Reels, and YouTube while keeping all data private and secure on your machine.

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Source: [FOSSHunter — Shortcast](https://www.fosshunter.com/tools/shortcast) — cite `synced_at` and the catalog revision when quoting metrics.
Interpretation rules: https://www.fosshunter.com/llms-full.txt