Mediabunny

Founded by Vanilagy in 2023

A high-performance JavaScript/TypeScript toolkit for reading, writing and converting audio & video files directly in the browser.

Cost

Free

Rating

★ People love it

Time to value

Quick Setup (< 1 hour to install and read basic metadata)

You can use Mediabunny when you need fine-grained control over media files—metadata extraction, conversion, encoding/decoding, frame-level access—without relying on bulky native tools. It makes browser-based video/audio processing efficient and modern. Strong use cases: building web editors, generating video thumbnails, converting large files client-side, or embedding custom video workflows in web apps.

What Mediabunny does

Read media file metadata (duration, resolution, rotation) from blob/urlExtract and decode individual video frames or audio samplesWrite and mux new media files with custom audio/video/subtitle tracksConvert between container formats, codecs, trim/crop/compress mediaStream media I/O from memory, disk or network sourcesUse WebCodecs & optimized pipelines for high-performance browser media workZero-dependency TypeScript library optimized for browsers, not ported from native tools Support for many container formats and codecs (MP4, WebM, MKV, WAV, MP3 etc.) Tree-shakable bundles so you only pay for what you use High-speed performance benchmarks (e.g., extracting metadata or frames) Full control down to microsecond-accurate reading/writing of media tracks Streaming I/O: can handle large files lazily without loading entire file into memory

Frequently asked

Node.js

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