P25 (.p25)
.p25 file signature | application/octet-stream
PhotoCap Object Templates
Magic Bytes
Offset 0
65 87 78 56
Sources: Wikipedia
Extension
.p25
MIME Type
application/octet-stream
Byte Offset
0
Risk Level
Safe
Validation Code
How to validate .p25 files in Python
def is_p25(file_path: str) -> bool:
"""Check if file is a valid P25 by magic bytes."""
signature = bytes([0x65, 0x87, 0x78, 0x56])
with open(file_path, "rb") as f:
return f.read(4) == signature
How to validate .p25 files in Node.js
function isP25(buffer: Buffer): boolean {
const signature = Buffer.from([0x65, 0x87, 0x78, 0x56]);
return buffer.subarray(0, 4).equals(signature);
}
How to validate .p25 files in Go
func IsP25(data []byte) bool {
signature := []byte{0x65, 0x87, 0x78, 0x56}
if len(data) < 4 {
return false
}
return bytes.Equal(data[:4], signature)
}
API Endpoint
/api/v1/p25
curl https://filesignature.org/api/v1/p25
See the full API documentation for all endpoints and parameters.
Frequently Asked Questions
What is a .p25 file?
A .p25 file is a P25 file. PhotoCap Object Templates
What are the magic bytes for .p25 files?
The magic bytes for P25 files are 65 87 78 56 at byte offset 0. These bytes uniquely identify the file format regardless of the file extension.
How do I validate a .p25 file?
To validate a .p25 file, read the first bytes of the file and compare them against the known magic bytes (65 87 78 56) at offset 0. This is more reliable than checking the file extension alone, as extensions can be renamed.
What is the MIME type for .p25 files?
There is no officially registered MIME type for .p25 files. Systems typically use application/octet-stream as a generic fallback when handling this format.
Is it safe to open .p25 files?
P25 (.p25) 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.