Ogg container, commonly wrapping Vorbis/Opus audio or Theora video.
| 0x00000000 | 4F676753 | OggS | 'OggS' page capture pattern |
Ogg is an open, patent-free streaming container most often carrying Vorbis or Opus audio, widely used in games and open-source software. Every page starts with the capture pattern 'OggS'.
Have a file that might be Ogg? Identify it with the File Type Identifier — it reads the magic number locally, nothing is uploaded. Or browse all formats.