Convert M4A to AAC

Convert M4A files to AAC format online for free. No upload required, 100% private.

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M4AAACRe-encoding

Converting between two lossy formats (M4A → AAC) involves re-encoding, which may cause additional quality loss. For best results, convert from the original source file when possible.

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.

Extension

.m4a

Developed By

Apple Inc.

Released

2001

Compression

Lossy

Typical Use Cases

iTunes musicApple devicesAudiobooksPodcasts

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

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.

Extension

.aac