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P25 (.p25)

.p25 file signature | application/octet-stream

PhotoCap Object Templates

Safe

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

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

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

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

GET /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.