Check if a Buffer/Uint8Array is a m4a file.

Decode AAC/M4A (FAAD2 WASM) and ALAC/Apple Lossless (pure JS) to PCM samples

Decode the audio track of MP4, MOV, M4A, M4V and 3GP files (AAC, ALAC, MP3, FLAC, Opus, AMR, PCM) to PCM samples

Read and write multi-track M4A Stems files with karaoke extensions

fdkaac/libfdk-aac AAC/M4A encoder for Node.js

Encode PCM audio samples to MP4/M4A (ISO BMFF) — pure JS muxer, remuxer and iTunes-tag writer

Extract audio metadata (title, artist, album, BPM, key, artwork) from MP3, M4A, FLAC, and AIFF files with minimal network transfer using partial file reads

Convert audio files between Tencent apps (Weixin / Wechat, QQ) and Silk codec with other general format such as MP3 and M4A

m4a 파일을 mp3로 변환하는 n8n 노드

xgplayer plugin for m4a transform to fmp4

simple program to convert m4a to mp3

Media player for the dock file explorer: plays audio (MP3, WAV, OGG, FLAC, M4A, ...) and video (MP4, WebM, MOV, ...) files, with a music player for pure audio and fullscreen playback for video.

Converts Audible AAX audiobooks to M4A while keeping chapters and the cover image intact.

Expo Native Module to remux AAC files into M4A container without re-encoding (iOS only)

Clarion recorder — PCM capture to m4a for React Native (offline-first)

Generate fake audio files and buffers. Useful for generating fixtures for unit tests for audio libraries. Supports WAV, MP3, M4A, Ogg, FLAC, and 9 other audio formats.

Extract audio metadata for React Native — New Architecture (TurboModules + JSI) with support for MP3, FLAC, WAV, AAC, M4A and more on iOS & Android.

royplayer plugin for m4a transform to fmp4

download via you-get then transcode into m4a

Cross-platform YouTube Music Downloader & Player with High-Res Audio (FLAC/M4A), automatic metadata tagging & modern Liquid Glass Web UI.