M2V (.m2v)
.m2v file signature | video/mpeg
Magic Bytes
Offset 0
00 00 01 B3
Sources: Apache Tika
All Known Signatures
2 signature variants are documented for .m2v files across multiple sources.
| Hex Signature | Offset | Sources |
|---|---|---|
| 00 00 01 B3 | 0 | Apache Tika |
| 00 00 01 BA | 0 | Apache Tika |
Extension
.m2v
MIME Type
video/mpeg
Byte Offset
0
Risk Level
Safe
Validation Code
How to validate .m2v files in Python
def is_m2v(file_path: str) -> bool:
"""Check if file is a valid M2V by magic bytes."""
signature = bytes([0x00, 0x00, 0x01, 0xB3])
with open(file_path, "rb") as f:
return f.read(4) == signatureHow to validate .m2v files in Node.js
function isM2V(buffer: Buffer): boolean {
const signature = Buffer.from([0x00, 0x00, 0x01, 0xB3]);
return buffer.subarray(0, 4).equals(signature);
}How to validate .m2v files in Go
func IsM2V(data []byte) bool {
signature := []byte{0x00, 0x00, 0x01, 0xB3}
if len(data) < 4 {
return false
}
return bytes.Equal(data[:4], signature)
}API Endpoint
/api/v1/m2v
curl https://filesignature.org/api/v1/m2v
See the full API documentation for all endpoints and parameters.
Frequently Asked Questions
What is a .m2v file?
A .m2v file is a M2V file.
What are the magic bytes for .m2v files?
The magic bytes for M2V files are 00 00 01 B3 at byte offset 0. These bytes uniquely identify the file format regardless of the file extension.
How do I validate a .m2v file?
To validate a .m2v file, read the first bytes of the file and compare them against the known magic bytes (00 00 01 B3) at offset 0. This is more reliable than checking the file extension alone, as extensions can be renamed.
What is the MIME type for .m2v files?
The primary MIME type for .m2v files is video/mpeg.
Is it safe to open .m2v files?
M2V (.m2v) 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.