Convert AAC to M4A
Convert AAC files to M4A format online for free. No upload required, 100% private.
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Converting between two lossy formats (AAC → M4A) involves re-encoding, which may cause additional quality loss. For best results, convert from the original source file when possible.
About AAC
AAC
Advanced Audio Coding
AAC is a lossy audio codec designed as the successor to MP3. It provides better sound quality at similar bitrates and is widely used in streaming services.
Typical Use Cases
Pros
- • Better quality than MP3
- • Efficient compression
- • Wide platform support
Cons
- • Patent encumbered
- • Less universal than MP3
- • Variable encoder quality
About M4A
M4A
MPEG-4 Part 14 Audio
M4A is an audio-only MPEG-4 container format, commonly used by Apple devices and iTunes. It typically contains AAC or ALAC encoded audio.
Typical Use Cases
Pros
- • Better quality than MP3 at same bitrate
- • Good Apple ecosystem support
- • Supports chapters
Cons
- • Less universal than MP3
- • Some older devices incompatible
- • Requires specific codecs