Repurpose a long-form video into vertical shorts, captions, hooks and ads
ComingSix named short-form deliverables with rules, still and preview; vertical reframe with subject tracking and zero-phase smoothing; word-synced caption plates or SRT; hook stacks and supercut ads from a long-form source; the ranking countdown format for top-N Shorts.
Kit
video-offline-tools
You need
| Account | Why | Free or paid | Plan |
|---|---|---|---|
| ffmpeg + ffprobe | Every cut, mux, loudness pass, proxy, contact sheet and platform encode. The delivery encoder uses h264_videotoolbox on Apple Silicon. | Free | Free (Homebrew build includes VideoToolbox). |
| mlx-whisper (local transcription, Apple Silicon) | Word-level transcripts for rough cuts, captions, chapter timestamps and YouTube descriptions, all offline. | Free | Free; needs an Apple Silicon Mac with 16 GB+ RAM. Model whisper-large-v3-turbo downloads once (about 1.6 GB). |
| HyperFrames (HTML to video renderer) | Renders the shell library and beat graphics (GSAP HTML) to ProRes 4444 alpha plates and full comps. | Free | Free, open source; pinned version in video-editor/package.json. |
| DaVinci Resolve Studio | The NLE for long-form and podcast cuts. Claude drives it through the Resolve scripting API and the davinci-resolve MCP: additive plates on V2+, offline titles, OGraf native titles, exports. | Paid | Studio (295 USD one-time) is required: the free version has no external scripting, no OGraf loader and no hardware encode options used here. Version 21.1 or newer. |
What you bring
- A 16:9 long-form video, when you want vertical cuts from it
- Your caption style choice
- Your end card
- Your ranking criteria, and the clips and label words that go with them
The steps
- Classify the job on three axes
- Ingest once and select by watching
- Cut each piece on word gaps
- Reframe to 9:16 with tracking, then prove the subject is in frame
- Captions, then hooks, then the CTA
- Ship each piece through the media gate
Get the full playbook
Part of: Install your video editing suite