Windows Media compressed skin file (.wmz)
.wmz file signature | application/octet-stream
Magic Bytes
Offset: 0
50 4B 03 04
Windows Media compressed skin file
Sources: Gary Kessler
Validation Code
How to validate .wmz files in Python
def is_wmz(file_path: str) -> bool:
"""Check if file is a valid WMZ by magic bytes."""
signature = bytes([0x50, 0x4B, 0x03, 0x04])
with open(file_path, "rb") as f:
return f.read(4) == signatureHow to validate .wmz files in Node.js
function isWMZ(buffer: Buffer): boolean {
const signature = Buffer.from([0x50, 0x4B, 0x03, 0x04]);
return buffer.subarray(0, 4).equals(signature);
}How to validate .wmz files in Go
func IsWMZ(data []byte) bool {
signature := []byte{0x50, 0x4B, 0x03, 0x04}
if len(data) < 4 {
return false
}
return bytes.Equal(data[:4], signature)
}API Endpoint
/api/v1/wmz
curl https://filesignature.org/api/v1/wmz
See the full API documentation for all endpoints and parameters.
Frequently Asked Questions
What is a .wmz file?
A .wmz file is a Windows Media compressed skin file file. Windows Media compressed skin file
What are the magic bytes for .wmz files?
The magic bytes for Windows Media compressed skin file files are 50 4B 03 04 at byte offset 0. These bytes uniquely identify the file format regardless of the file extension.
How do I validate a .wmz file?
To validate a .wmz file, read the first bytes of the file and compare them against the known magic bytes (50 4B 03 04) at offset 0. This is more reliable than checking the file extension alone, as extensions can be renamed.
What is the MIME type for .wmz files?
There is no officially registered MIME type for .wmz files. Systems typically use application/octet-stream as a generic fallback when handling this format.
Is it safe to open .wmz files?
Windows Media compressed skin file (.wmz) files are generally safe to open. They are classified as low risk because they primarily contain data rather than executable code. However, always ensure files come from a trusted source.