Genetec video archive (.g64)
.g64 file signature | application/octet-stream
Commodore 641541 disk image (G64 format)
Magic Bytes
Offset 0
47 53 52 2D 31 35 34 31
Sources: Wikipedia
All Known Signatures
2 signature variants are documented for .g64 files across multiple sources.
| Hex Signature | Offset | Sources |
|---|---|---|
| 47 53 52 2D 31 35 34 31 | 0 | Wikipedia |
| 47 65 6E 65 74 65 63 20 4F 6D 6E 69 63 61 73 74 | 0 | Gary Kessler |
Extension
.g64
MIME Type
application/octet-stream
Byte Offset
0
Risk Level
Safe
Validation Code
How to validate .g64 files in Python
def is_g64(file_path: str) -> bool:
"""Check if file is a valid G64 by magic bytes."""
signature = bytes([0x47, 0x53, 0x52, 0x2D, 0x31, 0x35, 0x34, 0x31])
with open(file_path, "rb") as f:
return f.read(8) == signatureHow to validate .g64 files in Node.js
function isG64(buffer: Buffer): boolean {
const signature = Buffer.from([0x47, 0x53, 0x52, 0x2D, 0x31, 0x35, 0x34, 0x31]);
return buffer.subarray(0, 8).equals(signature);
}How to validate .g64 files in Go
func IsG64(data []byte) bool {
signature := []byte{0x47, 0x53, 0x52, 0x2D, 0x31, 0x35, 0x34, 0x31}
if len(data) < 8 {
return false
}
return bytes.Equal(data[:8], signature)
}API Endpoint
/api/v1/g64
curl https://filesignature.org/api/v1/g64
See the full API documentation for all endpoints and parameters.
Frequently Asked Questions
What is a .g64 file?
A .g64 file is a Genetec video archive file. Commodore 641541 disk image (G64 format)
What are the magic bytes for .g64 files?
The magic bytes for Genetec video archive files are 47 53 52 2D 31 35 34 31 at byte offset 0. These bytes uniquely identify the file format regardless of the file extension.
How do I validate a .g64 file?
To validate a .g64 file, read the first bytes of the file and compare them against the known magic bytes (47 53 52 2D 31 35 34 31) at offset 0. This is more reliable than checking the file extension alone, as extensions can be renamed.
What is the MIME type for .g64 files?
There is no officially registered MIME type for .g64 files. Systems typically use application/octet-stream as a generic fallback when handling this format.
Is it safe to open .g64 files?
Genetec video archive (.g64) 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.