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Video production and editing

@chandlerintelligence

A reaction-style walkthrough of a Claude-edited video (by another creator), naming the stack (Claude Code, Remotion, Whisper, FFmpeg, yt-dlp, a person segmentation model) and the key rule: have Claude write a storyboard table before it edits anything.

506k plays · 26 Oct 2026

What they said

He reacts to a video made by someone else (shown in a small green picture-in-picture, a bearded man in a cap, the "guy selling this for $97") and says he gives the same thing away for free. Techniques, in order of appearance:

  1. Text behind your head: tell Claude to cut you out with a person segmentation model, then place the words behind you using Remotion. "No CapCut. No Edits app."
  2. Captions: use Whisper to get the timing of every word, Remotion to put them on screen. Opinion: "I'd lose the green box though. Plain text with shadow looks way cleaner."
  3. "One sentence and the whole video is edited." (shown prompt: "I want you to take a pass..." then "make it more aesthetic").
  4. Ask Claude to draw graphics as vector graphics (drawn illustrations appear).
  5. Colour change (warm look): FFmpeg for the colour change and Remotion for the slider (before/after reveal) effect.
  6. Magazine-cover titles (shown "CLAUDE" masthead; prompt "Make this a magazine..."): "I don't know what the heck this is supposed to be, but here's how you create it."
  7. Editor timeline mockup: you could create a mockup of the timeline, "but a real screenshot would look much better".
  8. Zoom transition: "These zooms are a bit too much in my opinion". Prompt on screen: "On the word 'this', shrink the shot into a picture of itself, 3 levels deep, then push through it with a spin and blur" (the recursive zoom). Personally he would use a whip pan: "looks cleaner" (caption).
  9. Moody grade: FFmpeg again; curves to pull highlights down and lift blacks, saturation down 15%, then a soft vignette (sliders shown: highlights -35, blacks +12, saturation -15, vignette).
  10. 3x3 wall of reels: prompt on screen "Shrink my shot into the centre tile of a 3x3 grid, then pop 8 of these reels in around it, one per frame." Use yt-dlp to download the reels (free tool that grabs videos from Instagram, TikTok, YouTube, "pretty much anywhere").
  11. Critical step: before rendering, have Claude write a storyboard so you and Claude agree on what the video looks like first. His storyboard table (shown, titled "020 - Claude Edited This"): columns for every spoken line, what is on screen, and which tool makes it. "I always do this before I shoot." He fixes the plan, then Claude builds the edit from it (caption).
  • Caption adds: person cutout puts text behind head; Remotion turns each prompt into motion graphics (prompt bar, magazine cover, 3x3 wall of reels); FFmpeg handles colour (warm look with slider reveal; moody grade with curves, lower saturation and vignette); whip pan instead of the recursive zoom.

Try this

  • Video makers: Ask the AI to write a storyboard table before it edits anything. Use three columns: each spoken line, what is on screen, and which tool makes it. Agree on it, then build the edit from it.
  • Video makers: The stack is free and runs locally: Remotion for motion graphics, Whisper for word-level caption timing, FFmpeg for colour grades, and a person segmentation model for text behind your head.
  • Video makers: Be specific in prompts, for example a grade with highlights lowered, blacks lifted, saturation down 15 percent and a soft vignette. Keep effects simple, because the reel itself says some zooms are too much.
  • Agencies and freelancers: Use this for captioned cutdowns and short-form ad variants at scale. It needs some comfort with code, so test one edit end to end and time it.
  • Careful makers: Downloading other people's reels for a video wall can breach terms or copyright.
  • Creators: If you react to someone else's work, tag and credit them. Building a hook on a rival's paid offer drew credit disputes.

Links

  • Claude Code (AI agent that writes the edit code).
  • Remotion (React framework for programmatic video).
  • Whisper (word-level timing for captions).
  • FFmpeg (colour grade, curves, saturation, vignette).
  • A person segmentation model (cutout for text-behind-head).
  • yt-dlp (download reels/videos; shown GitHub card "yt-dlp/yt-dlp").
  • Skipped: CapCut, Edits app.
  • Origin creator referenced: @justyn.ai (named in comments; the $97 product, a Claude / ChatGPT video-creation course per a comment).
  • Workflow files delivered by DM with "the exact styling I used".

Watch the original

Watch the full reel on Instagram by @chandlerintelligence. Follow them for more.

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