Format comparison
OGG vs AAC
How do OGG and AACcompare? Here's everything you need to know to choose the right format — and how to convert between them.
.ogg
Full guide →Ogg Vorbis
OGG (Vorbis) is a free, open-source lossy audio format that offers better quality than MP3 at comparable bitrates. It's widely used in gaming, open-source software, and web audio.
.aac
Full guide →Advanced Audio Coding
AAC is the successor to MP3, offering better sound quality at lower bitrates. It's the default audio format for Apple Music, YouTube, and most streaming platforms.
| Specification | OGG | AAC |
|---|---|---|
| Full name | Ogg Vorbis | Advanced Audio Coding |
| Extension | .ogg | .aac |
| MIME type | audio/ogg | audio/aac |
| Category | Audio | Audio |
| Developer | Xiph.Org Foundation | ISO / Fraunhofer / Dolby / Sony / Nokia |
| Year introduced | 2000 | 1997 |
| Compression | Lossy | Lossy |
OGG advantages
- Better quality than MP3 at same bitrate
- Completely free and open source
- No patents or licensing fees
- Good streaming support
OGG limitations
- Less universal than MP3
- Not supported by Apple devices natively
- Smaller ecosystem of tools
- Less mainstream recognition
AAC advantages
- Better quality than MP3 at same bitrate
- Default format for iTunes and Apple Music
- Widely used in streaming
- Supports up to 48 channels
AAC limitations
- Patent-encumbered
- Slightly less universal than MP3
- Encoding quality varies by implementation
- DRM can restrict usage
Which should you use?
Both are excellent audio formats. OGG is preferred for video game audio, while AAC shines at apple music and itunes.
Best uses for OGG
Video game audio
Open-source projects
Web audio (HTML5 fallback)
Streaming platforms
Best uses for AAC
Apple Music and iTunes
YouTube and streaming platforms
Mobile music playback
Digital broadcasting (DAB+)
Convert between OGG and AAC
Need to switch formats? Convert for free with SquishConvert.