Netscape Communicator (.snm)
.snm file signature | application/octet-stream
Netscape Communicator (v4) mail folder
Magic Bytes
Offset 0
00 14 00 00 01 02 03
Sources: Gary Kessler
All Known Signatures
2 signature variants are documented for .snm files across multiple sources.
| Hex Signature | Offset | Sources |
|---|---|---|
| 00 14 00 00 01 02 03 | 0 | Gary Kessler |
| 00 1E 84 90 00 00 00 00 | 0 | Gary Kessler |
Extension
.snm
MIME Type
application/octet-stream
Byte Offset
0
Risk Level
Safe
Validation Code
How to validate .snm files in Python
def is_snm(file_path: str) -> bool:
"""Check if file is a valid SNM by magic bytes."""
signature = bytes([0x00, 0x14, 0x00, 0x00, 0x01, 0x02, 0x03])
with open(file_path, "rb") as f:
return f.read(7) == signatureHow to validate .snm files in Node.js
function isSNM(buffer: Buffer): boolean {
const signature = Buffer.from([0x00, 0x14, 0x00, 0x00, 0x01, 0x02, 0x03]);
return buffer.subarray(0, 7).equals(signature);
}How to validate .snm files in Go
func IsSNM(data []byte) bool {
signature := []byte{0x00, 0x14, 0x00, 0x00, 0x01, 0x02, 0x03}
if len(data) < 7 {
return false
}
return bytes.Equal(data[:7], signature)
}API Endpoint
/api/v1/snm
curl https://filesignature.org/api/v1/snm
See the full API documentation for all endpoints and parameters.
Frequently Asked Questions
What is a .snm file?
A .snm file is a Netscape Communicator file. Netscape Communicator (v4) mail folder
What are the magic bytes for .snm files?
The magic bytes for Netscape Communicator files are 00 14 00 00 01 02 03 at byte offset 0. These bytes uniquely identify the file format regardless of the file extension.
How do I validate a .snm file?
To validate a .snm file, read the first bytes of the file and compare them against the known magic bytes (00 14 00 00 01 02 03) at offset 0. This is more reliable than checking the file extension alone, as extensions can be renamed.
What is the MIME type for .snm files?
There is no officially registered MIME type for .snm files. Systems typically use application/octet-stream as a generic fallback when handling this format.
Is it safe to open .snm files?
Netscape Communicator (.snm) 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.