MNG (.mng)
.mng file signature | video/x-mng
Multiple-image Network Graphics (MNG) is a graphics and animation file format developed by the PNG Development Group as an extension of the Portable Network Graphics family. It was used for storing animated images, image sequences, and simple multimedia content in web pages and software applications. MNG is now largely obsolete and has limited support, but it is generally safe to view because it does not typically contain executable content.
Magic Bytes
Offset 0
8A 4D 4E 47
Sources: Apache Tika
Extension
.mng
MIME Type
video/x-mng
Byte Offset
0
Risk Level
Safe
Validation Code
How to validate .mng files in Python
def is_mng(file_path: str) -> bool:
"""Check if file is a valid MNG by magic bytes."""
signature = bytes([0x8A, 0x4D, 0x4E, 0x47])
with open(file_path, "rb") as f:
return f.read(4) == signatureHow to validate .mng files in Node.js
function isMNG(buffer: Buffer): boolean {
const signature = Buffer.from([0x8A, 0x4D, 0x4E, 0x47]);
return buffer.subarray(0, 4).equals(signature);
}How to validate .mng files in Go
func IsMNG(data []byte) bool {
signature := []byte{0x8A, 0x4D, 0x4E, 0x47}
if len(data) < 4 {
return false
}
return bytes.Equal(data[:4], signature)
}API Endpoint
/api/v1/mng
curl https://filesignature.org/api/v1/mng
See the full API documentation for all endpoints and parameters.
Frequently Asked Questions
What is a .mng file?
A .mng file is identified by the magic bytes 8A 4D 4E 47 at byte offset 0. Multiple-image Network Graphics (MNG) is a graphics and animation file format developed by the PNG Development Group as an extension of the Portable Network Graphics family. It was used for storing animated images, image sequences, and simple multimedia content in web pages and software applications. MNG is now largely obsolete and has limited support, but it is generally safe to view because it does not typically contain executable content.
What are the magic bytes for .mng files?
The magic bytes for MNG files are 8A 4D 4E 47 at byte offset 0. These bytes uniquely identify the file format regardless of the file extension.
How do I validate a .mng file?
To validate a .mng file, read the first bytes of the file and compare them against the known magic bytes (8A 4D 4E 47) at offset 0. This is more reliable than checking the file extension alone, as extensions can be renamed.
What is the MIME type for .mng files?
The primary MIME type for .mng files is video/x-mng.
Is it safe to open .mng files?
MNG (.mng) 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.