What is Frame.md?
HeyGen's spec format that keeps AI motion design on brand.
Who is Frame.md best for?
Frame.md is best for teams that make promo videos with AI coding agents in HyperFrames and want them on brand.
Brands making AI videos
It turns the colours, fonts and rules in a web design.md into a spec written for a 16:9 frame, so agent-made videos stay on brand.
Coding-agent video workflows
HyperFrames skills for Claude Code, Codex, Cursor and similar agents read the frame.md before composing a scene.
Video series from one spec
Several videos can share one frame.md, and changing it once updates the brand across every video you regenerate.
Starting from a ready look
Premade frames give a styled starting point you can fine-tune instead of writing a spec from scratch.
How much does Frame.md cost?
Frame.md is free: it is part of HeyGen's open-source HyperFrames project under the Apache 2.0 license, with no per-render fees or limits on commercial use.
- The frame.md format and the HyperFrames video renderer
- No per-render fees or commercial-use limits
- Premade frames such as Biennale Yellow and BlockFrame
HeyGen lists no price for Frame.md or HyperFrames. The online converter at hyperframes.dev, which turns a design.md into a frame.md, asks you to sign in with a HeyGen account; the page shows no price for it. Rendering locally with the HyperFrames CLI needs Node.js 22 or later and FFmpeg. Full pricing on github.com. We checked these prices on .
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Is Frame.md open source?
Yes. Frame.md's code is public under the Apache 2.0 licence, so you can read it, change it and run it yourself.
On GitHub
83,431stars
- Last commit
- 13 Nov
- Repository age
- 8 months
- Latest release
- 12 Nov
- Licence
- Apache 2.0
- Self-hosted
- No
- Repository
- heygen-com/hyperframes
Questions about Frame.md
What is the difference between design.md and Frame.md?
A design.md describes a brand for the web: colours, fonts and rules. Frame.md rewrites the same tokens for a video frame, adding pacing, scale, how long things stay on screen and motion, so an AI agent can compose on-brand video without guessing.
Who is Frame.md for?
Frame.md is best for teams that make promo videos with AI coding agents in HyperFrames and want them on brand.
Is Frame.md free?
Yes. Frame.md comes with HeyGen's HyperFrames, which is open source under the Apache 2.0 license, with no per-render fees or limits on commercial use. The online converter on hyperframes.dev asks for a HeyGen sign-in and lists no price.
Is Frame.md open source?
Yes. Frame.md's code is public under the Apache 2.0 licence, so you can read it, change it and run it yourself.
Where can I try Frame.md?
On its official website, hyperframes.dev.
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