Resource Interchange File Format -- QualcommPureVoice (.qcp)
.qcp file signature | application/octet-stream
Resource Interchange File Format -- QualcommPureVoice, wherexx xx xx xxis the file size (little endian)
Magic Bytes
Offset 0
52 49 46 46 51 4C 43 4D
Sources: Wikipedia
All Known Signatures
2 signature variants are documented for .qcp files across multiple sources.
| Hex Signature | Offset | Sources |
|---|---|---|
| 52 49 46 46 51 4C 43 4D | 0 | Wikipedia |
| 52 49 46 46 51 4C 43 4D 66 6D 74 20 | 0 | Gary Kessler |
Extension
.qcp
MIME Type
application/octet-stream
Byte Offset
0
Risk Level
Safe
Validation Code
How to validate .qcp files in Python
def is_qcp(file_path: str) -> bool:
"""Check if file is a valid QCP by magic bytes."""
signature = bytes([0x52, 0x49, 0x46, 0x46, 0x51, 0x4C, 0x43, 0x4D])
with open(file_path, "rb") as f:
return f.read(8) == signature
How to validate .qcp files in Node.js
function isQCP(buffer: Buffer): boolean {
const signature = Buffer.from([0x52, 0x49, 0x46, 0x46, 0x51, 0x4C, 0x43, 0x4D]);
return buffer.subarray(0, 8).equals(signature);
}
How to validate .qcp files in Go
func IsQCP(data []byte) bool {
signature := []byte{0x52, 0x49, 0x46, 0x46, 0x51, 0x4C, 0x43, 0x4D}
if len(data) < 8 {
return false
}
return bytes.Equal(data[:8], signature)
}
API Endpoint
/api/v1/qcp
curl https://filesignature.org/api/v1/qcp
See the full API documentation for all endpoints and parameters.
Frequently Asked Questions
What is a .qcp file?
A .qcp file is a Resource Interchange File Format -- QualcommPureVoice file. Resource Interchange File Format -- QualcommPureVoice, wherexx xx xx xxis the file size (little endian)
What are the magic bytes for .qcp files?
The magic bytes for Resource Interchange File Format -- QualcommPureVoice files are 52 49 46 46 51 4C 43 4D at byte offset 0. These bytes uniquely identify the file format regardless of the file extension.
How do I validate a .qcp file?
To validate a .qcp file, read the first bytes of the file and compare them against the known magic bytes (52 49 46 46 51 4C 43 4D) at offset 0. This is more reliable than checking the file extension alone, as extensions can be renamed.
What is the MIME type for .qcp files?
There is no officially registered MIME type for .qcp files. Systems typically use application/octet-stream as a generic fallback when handling this format.
Is it safe to open .qcp files?
Resource Interchange File Format -- QualcommPureVoice (.qcp) 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.