VPK (.vpk)
.vpk file signature | application/octet-stream
VPK file, used to store game data for someSource Enginegames
Magic Bytes
Offset 0
34 12 AA 55
Sources: Wikipedia
Extension
.vpk
MIME Type
application/octet-stream
Byte Offset
0
Risk Level
Safe
Validation Code
How to validate .vpk files in Python
def is_vpk(file_path: str) -> bool:
"""Check if file is a valid VPK by magic bytes."""
signature = bytes([0x34, 0x12, 0xAA, 0x55])
with open(file_path, "rb") as f:
return f.read(4) == signatureHow to validate .vpk files in Node.js
function isVPK(buffer: Buffer): boolean {
const signature = Buffer.from([0x34, 0x12, 0xAA, 0x55]);
return buffer.subarray(0, 4).equals(signature);
}How to validate .vpk files in Go
func IsVPK(data []byte) bool {
signature := []byte{0x34, 0x12, 0xAA, 0x55}
if len(data) < 4 {
return false
}
return bytes.Equal(data[:4], signature)
}API Endpoint
/api/v1/vpk
curl https://filesignature.org/api/v1/vpk
See the full API documentation for all endpoints and parameters.
Frequently Asked Questions
What is a .vpk file?
A .vpk file is a VPK file. VPK file, used to store game data for someSource Enginegames
What are the magic bytes for .vpk files?
The magic bytes for VPK files are 34 12 AA 55 at byte offset 0. These bytes uniquely identify the file format regardless of the file extension.
How do I validate a .vpk file?
To validate a .vpk file, read the first bytes of the file and compare them against the known magic bytes (34 12 AA 55) at offset 0. This is more reliable than checking the file extension alone, as extensions can be renamed.
What is the MIME type for .vpk files?
There is no officially registered MIME type for .vpk files. Systems typically use application/octet-stream as a generic fallback when handling this format.
Is it safe to open .vpk files?
VPK (.vpk) 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.