Remotion

When to use

Use this skills whenever you are dealing with Remotion code to obtain the domain-specific knowledge. This includes React Native component styling and NativeWind integration within Remotion compositions.

Captions

When dealing with captions or subtitles, load the ./rules/subtitles.md file for more information.

Using FFmpeg

For some video operations, such as trimming videos or detecting silence, FFmpeg should be used. Load the ./rules/ffmpeg.md file for more information.

Audio visualization

When needing to visualize audio (spectrum bars, waveforms, bass-reactive effects), load the ./rules/audio-visualization.md file for more information.

Sound effects

When needing to use sound effects, load the ./rules/sound-effects.md file for more information.

How to use

Read individual rule files for detailed explanations and code examples:

• rules/3d.md - 3D content in Remotion using Three.js and React Three Fiber
• rules/animations.md - Fundamental animation skills for Remotion
• rules/assets.md - Importing images, videos, audio, and fonts into Remotion
• rules/audio.md - Using audio and sound in Remotion - importing, trimming, volume, speed, pitch
• rules/calculate-metadata.md - Dynamically set composition duration, dimensions, and props
• rules/can-decode.md - Check if a video can be decoded by the browser using Mediabunny
• rules/charts.md - Chart and data visualization patterns for Remotion (bar, pie, line, stock charts)
• rules/compositions.md - Defining compositions, stills, folders, default props and dynamic metadata
• rules/extract-frames.md - Extract frames from videos at specific timestamps using Mediabunny
• rules/fonts.md - Loading Google Fonts and local fonts in Remotion
• rules/get-audio-duration.md - Getting the duration of an audio file in seconds with Mediabunny
• rules/get-video-dimensions.md - Getting the width and height of a video file with Mediabunny
• rules/get-video-duration.md - Getting the duration of a video file in seconds with Mediabunny
• rules/gifs.md - Displaying GIFs synchronized with Remotion's timeline
• rules/images.md - Embedding images in Remotion using the Img component
• rules/light-leaks.md - Light leak overlay effects using @remotion/light-leaks
• rules/lottie.md - Embedding Lottie animations in Remotion
• rules/measuring-dom-nodes.md - Measuring DOM element dimensions in Remotion
• rules/measuring-text.md - Measuring text dimensions, fitting text to containers, and checking overflow
• rules/sequencing.md - Sequencing patterns for Remotion - delay, trim, limit duration of items
• rules/tailwind.md - Using TailwindCSS in Remotion
• rules/text-animations.md - Typography and text animation patterns for Remotion
• rules/timing.md - Interpolation curves in Remotion - linear, easing, spring animations
• rules/transitions.md - Scene transition patterns for Remotion
• rules/transparent-videos.md - Rendering out a video with transparency
• rules/trimming.md - Trimming patterns for Remotion - cut the beginning or end of animations
• rules/videos.md - Embedding videos in Remotion - trimming, volume, speed, looping, pitch
• rules/parameters.md - Make a video parametrizable by adding a Zod schema
• rules/maps.md - Add a map using Mapbox and animate it
• rules/voiceover.md - Adding AI-generated voiceover to Remotion compositions using ElevenLabs TTS

React Native

When working with React Native components in Remotion compositions, load the relevant rule files:

• rules/react-native/core-components.md - View, Text, Image, ScrollView usage in Remotion compositions
• rules/react-native/styling.md - StyleSheet.create, inline styles, style prop in Remotion video render
• rules/react-native/flexbox-layout.md - Flexbox layout patterns for video composition sizing and positioning
• rules/react-native/typography.md - Text component, font loading, text measurement in Remotion
• rules/react-native/images-media.md - Image component, video/audio assets — RN vs web Remotion comparison
• rules/react-native/platform-specific.md - Platform.OS, platform selectors, safe area in video render context
• rules/react-native/performance.md - React.memo, useMemo, useCallback for video rendering optimizations
• rules/react-native/animations-integration.md - Why Reanimated must NOT be used — use Remotion's animation system instead

NativeWind

When using NativeWind for styling Remotion components, load the relevant rule files:

• rules/nativewind/setup.md - NativeWind + Remotion project configuration (metro, babel, tailwind)
• rules/nativewind/classname-patterns.md - className prop usage, cn() helper, conditional classes in Remotion
• rules/nativewind/theming.md - CSS variables, design tokens, dark mode for video theme system
• rules/nativewind/responsive.md - Breakpoints and responsive layout for different video resolutions
• rules/nativewind/states-interactions.md - Interactive states in video context — use useCurrentFrame instead
• rules/nativewind/typography-spacing.md - Text classes, spacing system, gap for video composition typography
• rules/nativewind/borders-shadows.md - Border, rounded, shadow utilities for video element visual effects
• rules/nativewind/common-mistakes.md - Common pitfalls: StyleSheet + className mixing, Tailwind animations, className forwarding