Convert 3GA to M4A — Free Online Converter

M4A is the standard MPEG-4 audio container used by Apple across its entire ecosystem. Every iPhone, iPad, Mac, Apple TV, and Apple Watch plays M4A natively, and it is the container format used for iTunes Store purchases, Apple Podcasts, and GarageBand exports. Converting 3GA recordings from old Samsung, Nokia, and LG phones to M4A transforms obscure mobile recordings into files that integrate seamlessly with the world's most popular consumer electronics ecosystem.

The 3GA format was a Samsung and Android-specific variant of the 3GPP container that stored voice recordings using the AMR narrowband codec. While functional on the original recording device, 3GA files are unrecognized by virtually every non-Android system. M4A, by contrast, is the universal audio container of the Apple and web era. The conversion transcodes AMR audio to AAC-LC and wraps it in the M4A container with full iTunes-compatible metadata support, making your old phone recordings indistinguishable from any other audio file in your library.

M4A is the single most important audio format for cross-platform compatibility in the Apple-dominated consumer market. It plays natively on iOS, macOS, iPadOS, watchOS, tvOS, Windows 10+, Android, and every modern web browser through the HTML5 audio element. Converting old 3GA recordings to M4A ensures they work everywhere — from your iPhone's Music app to a web page's embedded audio player.

M4A also offers superior metadata support compared to MP3. The MPEG-4 container stores Unicode text for titles and artists, embedded album artwork at arbitrary resolution, chapter markers for navigation, lyrics, and even BPM information. For organizing a large collection of converted voice recordings, M4A's rich metadata makes it possible to search, sort, and categorize recordings in ways that simpler formats do not support.