Remotion - Video Creation in React

Comprehensive skill set for creating programmatic videos using Remotion, a framework for creating videos programmatically using React.

When to use

Use this skill whenever you are dealing with Remotion code to obtain domain-specific knowledge about:

• Creating video compositions with React components

• Animating elements using frame-based animations

• Working with audio, video, and image assets

• Building charts and data visualizations

• Implementing text animations and captions

• Using 3D content with Three.js

• Applying transitions and sequencing

• Integrating Tailwind CSS and Lottie animations

Core Concepts

Remotion allows you to create videos using:

• React Components: Build video content with familiar React syntax

• Frame-based Animations: All animations driven by useCurrentFrame() hook

• Compositions: Define video compositions with duration, dimensions, and props

• Assets: Import and manipulate images, videos, audio, and fonts

• Rendering: Export videos programmatically with customizable settings

Key Features

• Frame-by-frame control over animations

• Dynamic metadata calculation

• Media processing (trimming, volume, speed, pitch)

• Caption generation and display

• Data visualization with charts

• 3D content integration

• Professional text animations

• Scene transitions and sequencing

How to use

Read individual rule files for detailed explanations and code examples:

Core Animation & Timing

• references/animations.md - Fundamental animation techniques for Remotion

• references/timing.md - Interpolation curves: linear, easing, spring animations

• references/sequencing.md - Delay, trim, and limit duration of items

• references/trimming.md - Cut the beginning or end of animations

Compositions & Metadata

• references/compositions.md - Defining compositions, stills, folders, default props

• references/calculate-metadata.md - Dynamically set composition duration, dimensions, and props

Assets & Media

• references/assets.md - Importing images, videos, audio, and fonts

• references/images.md - Embedding images using the Img component

• references/videos.md - Embedding videos with trimming, volume, speed, looping, pitch

• references/audio.md - Using audio and sound with trimming, volume, speed, pitch

• references/gifs.md - Displaying GIFs synchronized with timeline

Text & Typography

• references/text-animations.md - Typography and text animation patterns

• references/measuring-text.md - Measuring text dimensions, fitting text, checking overflow

• references/fonts.md - Loading Google Fonts and local fonts

Captions & Transcription

• references/display-captions.md - Displaying captions with TikTok-style pages and word highlighting

• references/import-srt-captions.md - Importing .srt subtitle files using @remotion/captions

• references/transcribe-captions.md - Transcribing audio to generate captions

Data Visualization

• references/charts.md - Chart and data visualization patterns

Advanced Features

• references/3d.md - 3D content using Three.js and React Three Fiber

• references/lottie.md - Embedding Lottie animations

• references/transitions.md - Scene transition patterns

Styling & Layout

• references/tailwind.md - Using TailwindCSS in Remotion

• references/measuring-dom-nodes.md - Measuring DOM element dimensions

Media Processing (Mediabunny)

• references/can-decode.md - Check if a video can be decoded by the browser

• references/extract-frames.md - Extract frames from videos at specific timestamps

• references/get-audio-duration.md - Getting the duration of an audio file

• references/get-video-dimensions.md - Getting the width and height of a video file

• references/get-video-duration.md - Getting the duration of a video file

Quick Start Example

import { useCurrentFrame, useVideoConfig, interpolate } from "remotion";

export const MyComposition = () => { const frame = useCurrentFrame(); const { fps } = useVideoConfig();

const opacity = interpolate(frame, [0, 2 * fps], [0, 1], { extrapolateRight: 'clamp', });

return ( <div style={{ opacity }}> <h1>Hello Remotion!</h1> </div> ); };

Best Practices

• Always use useCurrentFrame()

• Drive all animations from the current frame

• Avoid CSS animations - They won't render correctly in videos

• Think in seconds - Multiply time in seconds by fps for frame calculations

• Use interpolate for smooth animations - Built-in interpolation with easing functions

• Clamp extrapolation - Prevent values from exceeding intended ranges

• Test frequently - Preview in Remotion Studio before rendering

Resources

• Documentation: https://www.remotion.dev/docs

• Repository: https://github.com/remotion-dev/remotion

• Skills Repository: https://github.com/remotion-dev/skills

• Community: Discord and GitHub Discussions

• License: MIT