Ogg Vorbis Codec compressed Multimedia file

application/ogg

Safe

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.

Extension

.ogx

MIME Type

application/ogg

Byte Offset

0

Risk Level

Safe

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

Related Formats