Ogg Vorbis Codec compressed Multimedia file
application/ogg
Magic Bytes
Offset: 0
4F 67 67 53
The Ogg Multiplexed Media (OGX) format is an open-standard multimedia container developed and maintained by the Xiph.Org Foundation. It is primarily used to encapsulate multiple data streams, including Vorbis audio and Theora video, into a single bitstream for synchronized playback and streaming. As a non-proprietary format, OGX is considered safe and low-risk, although users should update media players to prevent potential vulnerabilities arising from malicious code embedded in malformed bitstreams or codec implementations.
Validation Code
How to validate .ogx files in Python
Python
def is_ogx(file_path: str) -> bool:
"""Check if file is a valid OGX by magic bytes."""
signature = bytes([0x4F, 0x67, 0x67, 0x53])
with open(file_path, "rb") as f:
return f.read(4) == signature
How to validate .ogx files in Node.js
Node.js
function isOGX(buffer: Buffer): boolean {
const signature = Buffer.from([0x4F, 0x67, 0x67, 0x53]);
return buffer.subarray(0, 4).equals(signature);
}
Go
func IsOGX(data []byte) bool {
signature := []byte{0x4F, 0x67, 0x67, 0x53}
if len(data) < 4 {
return false
}
return bytes.Equal(data[:4], signature)
}
API Endpoint
GET
/api/v1/ogx
curl https://filesignature.org/api/v1/ogx