MakeCode Arcade Video + Audio Converter

Media Input

🎬

Drop Video or Audio Here

MP4, WebM, MOV, MP3, WAV

No media loaded

Start Time (s)

Duration (s)

Width (px)

Height (px)

Video FPS

Max Frames

Dithering

Scale Mode

Lock 4:3 aspect ratio

Spectrogram Audio

Polyphonic Mode: Uses 20 frequency bands with queuePlayInstructions() for realistic audio reproduction.

⚠️ Note: Audio processing can take 10-30+ seconds depending on clip length. Keep clips under 10s for best results. Check browser console (F12) for progress.

Extract audio (spectrogram method)

Period (ms)

Gain

Video frames only (no audio)

Processing...

Output

MakeCode Palette

Converted Frames

Frames appear after conversion

Audio Spectrogram

Frequency Bands (20 channels)

TypeScript Output

// Combined output will appear here

// Video output will appear here

// Audio output will appear here

Image Input

🖼️

Drop Image Here

PNG, JPG, GIF, WebP

No image loaded

Output Width

Output Height

Dithering

Scale Mode

Lock aspect ratio when changing size

MakeCode Arcade Sprite Limits:
Standard sprites: 16×16 pixels
Background images: up to 160×120 pixels

Sprite Output

Color Palette (16 colors)

Preview

Original (scaled)

Converted

TypeScript Output

// Sprite code will appear here // Example output: let mySprite = sprites.create(img` . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . `, SpriteKind.Player)