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Use this resource to add animated film grain to a video
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In a terminal, from the folder you want:
npx --yes palatekit@latest install film-grain-overlayFirst time: connect the CLI with
npx --yes palatekit@latest loginThe agent pastes into your HyperFrames composition a grain layer that covers the whole frame. You set the opacity, the speed, the background texture and the stacking order. You get a more organic, film-like look.
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Updated November 2, 2026
You say
"Add a light film grain over my whole video, with an opacity of 0.15."

Composition published by HeyGen (HyperFrames) under the Apache-2.0 license, resource page and guide written by PalateKit.
Modified by PalateKit
Version modifiée de « Grain Overlay » (HeyGen (HyperFrames), Apache-2.0) : traduction française et fiche par PalateKit.
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Yes: the composition renders to video with HyperFrames (Node.js). The agent can install it and run the render.
Yes, they live in the HTML file. Give the agent your texts and palette.