AAC vs MP3, side by side
| AAC | MP3 | |
|---|---|---|
| Full name | Advanced Audio Coding | MP3 audio |
| Type | Audio | Audio |
| Compression | Lossy | Lossy |
| Best for | the Apple ecosystem and high-quality streaming | music, podcasts and sharing where compatibility matters most |
Choose AAC if…
…you need the Apple ecosystem and high-quality streaming.
Choose MP3 if…
…you need music, podcasts and sharing where compatibility matters most.
Convert between them
Frequently asked questions
What's the difference between AAC and MP3?
Advanced Audio Coding (AAC) is lossy and best for the Apple ecosystem and high-quality streaming. MP3 audio (MP3) is lossy and best for music, podcasts and sharing where compatibility matters most.
Is AAC better than MP3?
Neither is universally better — it depends on your use case. Choose AAC for the Apple ecosystem and high-quality streaming; choose MP3 for music.
Should I use AAC or MP3?
Use AAC when you need the Apple ecosystem and high-quality streaming. Use MP3 when you need music.
Can I convert AAC to MP3?
Yes — you can convert AAC to MP3 (and back) for free, in seconds, right here.
Last updated July 2026