Two Ways to Edit Video with Claude

A 30-second clip with motion graphics, synced subtitles, and branded overlays can take a skilled editor two or more hours to produce manually. The same output, iterated through Claude, can take minutes — not because the AI has better taste, but because it removes the mechanical work between your judgment and the rendered result.

Two workflows make this possible: Claude.ai Design, which is web-based and requires no local setup, and Hyperframes, an open-source framework from HeyGen that runs through Claude Code and gives you considerably more control. Both convert prompts and HTML into MP4 video files via FFmpeg. The difference is mostly friction vs. flexibility.

How both methods actually work

Neither tool is doing anything exotic. Claude writes HTML-based animations in response to your prompts. FFmpeg renders that HTML to MP4. Claude Design and Hyperframes are essentially two different frontends for that same pipeline.

LLMs are more native to HTML than to React or other component frameworks, which is part of why this approach works better than you might expect. Hyperframes positions itself explicitly as a framework built for AI agents — it's designed around the assumption that the code will be written iteratively by a model, not a human.

Method one: Claude.ai Design

This is the lower-friction path. You set up a design system in Claude Design — brand colors, typography, logos — so outputs stay consistent. From there, you start an Animation project from a template, attach your video file, and prompt Claude to generate motion graphics and captions synced to your content.

The main limitation worth knowing upfront: Claude Design cannot transcribe or listen to your video's audio. If you want subtitles or text that tracks what you're saying, you have to supply a timestamped transcript yourself. One workaround is to use a Claude Code project to extract a JSON transcript with word-level timestamps from your MP4, then paste that into Claude Design when it asks for content context.

Exporting is also indirect. Direct MP4 download is not available from Claude Design. Your options are screen recording the full-screen preview, or using the "Hand off to Claude Code" command and asking Claude Code to render it as an MP4.

For a prompt starting point, the source suggests something like: "I just gave you a video. Create a landscape video. Animate this so people can watch and there will be text, motion graphics, and animations that sync up with what I'm saying." Then answer Claude's follow-up questions about layout, visual energy, aspect ratio, and CTA text.

Method two: Hyperframes with Claude Code

This path has higher setup friction but gives you repeatable control and a growing library of reusable assets.

The setup process is straightforward if you're comfortable with Claude Code: copy the Hyperframes repo URL, paste it into Claude Code, and ask it to analyze the repo and get it installed. From there, you structure your project in VS Code with three folders: /skills for reusable prompt workflows, /assets for transcripts and logos, and /renders for each iteration output.

Transcribing your video is a separate step here — Claude Code can extract a JSON transcript with word-level timestamps from an MP4, which you store in /assets. Once that's in place, you invoke a "make a video" skill, Claude interviews you about style and intent, samples frames from the video to understand the visual content, and produces a first render.

The Hyperframes component catalog is worth knowing about. It includes pre-built animation components — macOS notification toasts, Reddit-style postcards, 3D UI reveals, karaoke-style subtitles, app showcase transitions — that you can reference directly in your prompts to pull specific animation types without building them from scratch. The MindStudio write-up on this workflow has more detail on how this fits together.

The iteration model

Neither method produces a finished video on the first prompt. The source is direct about this: expect five to ten renders per finished video. Each round, you tell Claude what worked and what didn't, and the output improves.

The compounding benefit of the Hyperframes path is that each successful iteration can be saved as a reusable skill. After any render you're happy with, you can instruct Claude Code to codify it — so future videos of the same type start from a better baseline. Over time, the workflow gets faster.

Creative judgment is still the bottleneck. The source is explicit that people who understand what makes video engaging — pacing, transitions, visual energy — will get substantially better results than those who don't. The tool amplifies judgment; it doesn't substitute for it.

Things that don't work well yet

A few rough edges worth noting before you invest significant time:

• Short-form vertical video (Reels, TikTok, Shorts format) requires considerably more iteration and the current output isn't reliably post-ready.
• Logo and asset handling can break between preview and final render. Always check final outputs, not just the draft preview.
• Product demos from live URLs degrade in quality. Claude Code can screen-record a running app and auto-generate a demo, but the energy and creativity fall off toward the end. Your own screenshots produce better results.
• Token costs accumulate quickly. Running 60+ render iterations in a day is feasible but will consume significant API usage — the source noted hitting 20% of a daily usage limit mid-session.

I tested both paths with the same short source clip, and the biggest difference was not output quality but confidence: Claude Design felt faster to start, while Hyperframes made it much easier to inspect, fix, and repeat the result. What I trusted most was the iteration loop itself — the first render was never the final one, but each revision gave me a clearer sense of which parts should become reusable rules rather than one-off prompts.