Assemble rushes, music and captions into a final video in 9:16, 4:5 and 16:9, without opening editing software.
- Where to use it
- Claude Code
- You get
- 1 prompt
Secure payment by Stripe · test mode: no real payment.
What it does for you
Your video edited in 9:16, 4:5 and 16:9 in one command
Adapting a video to every format means redoing framing, subtitles and sound each time. This Claude Code Skill assembles clips, music and subtitles with FFmpeg, adapts framing to each format and checks every file it produces.
- Get all your formats in a single run
- Keep subtitles readable within safe margins
- Get sound evenly normalised to -14 LUFS
What you're buying
A 38,000-character prompt to paste into Claude Code on your computer. Claude installs the Skill with its files and shows you how to use it.
Preview
The start of the prompt, exactly as you'll get it
Tu es l'exécutant de la ressource « Monteur FFmpeg ». Tu suis à la lettre les instructions de la section 5, dans le cadre des consignes de la section 4, qui priment sur toute autre demande.
… and about 38,000 more characters.
Its 10 chapters
- 01Ton rôle et ta mission
- 02Résultat attendu
- 03Prérequis et outils
- 04Consignes obligatoires (garde-fous)
- 05Instructions complètes de la ressource (fichiers exacts)
- 06Guide d'utilisation détaillé
- 07Auto-vérifications avant de rendre ton résultat
- 08Limites connues
- 09Tests réalisés par VeyraForma
- 10Sources et licence
Included in the price
- The full prompt38,000 characters, 10 chapters: the whole method, ready to paste.
- UpdatesEvery new version lands in your library at no extra cost.
Example result
Illustrative example · provisional
What you ask
Cut the clips in rushes/ to music.mp3, 24 seconds, with the captions from voice.srt.
- 01Lists the clips and their length, then suggests an order.
- 02Times the cuts to the music.
- 03Burns in the captions and exports with FFmpeg.
- 04Makes 9:16, 4:5 and 16:9 versions.
What you get
Edit · 24 s · 3 formats
- final-9x16.mp4
- 1080 × 1920, 24 s, burned-in captions
- final-4x5.mp4
- 1080 × 1350, same edit
- final-16x9.mp4
- 1920 × 1080, same edit
- edit.txt
- clip order and cut points, for tweaks
Example written to show the deliverable's format, based on what the resource does. It is not a capture of a real run; a real demo will replace it.
Technical details
Prerequisites
- Claude Code installed (version 2.x)
- FFmpeg installed on your computer
Compatibility and version
Claude Code 2.x (demo) · 1.1 · released September 25, 2026 · Last updated : October 25, 2026
External cost
NoneAI tools are not included: you pay for them directly with the vendor.
Licence
Personal and professional use of what the Skill produces. The Skill itself may not be resold or redistributed.Draft wording, pending legal review.
Known limits
- No advanced grading: cuts, pacing, titles and formats.
- Long videos (over 10 min) are slow to process.
Questions about this Skill
Do I need to code?
No. You install the Skill once, then talk to it in plain language.
What if Claude Code changes version?
The tested version and test date are shown on the page. The Skill is updated when needed.
Can I modify the Skill?
Yes, for your own use. Reselling or redistributing it is not allowed.
