ANBM (.anbm)
.anbm file signature | application/octet-stream
ANBM is an Interchange File Format bitmap variant from the Amiga platform, originally created within Commodore’s software ecosystem. It is used for storing and exchanging raster graphics in legacy Amiga applications, including image viewers, editors, and archival collections. The format is generally safe to inspect, but it is considered legacy; malformed files may expose parser bugs in older software, so files from untrusted sources should be opened with current tools.
Magic Bytes
Offset 0
46 4F 52 4D
Sources: Wikipedia
All Known Signatures
2 signature variants are documented for .anbm files across multiple sources.
Extension
.anbm
MIME Type
application/octet-stream
Byte Offset
0
Risk Level
Safe
Validation Code
How to validate .anbm files in Python
def is_anbm(file_path: str) -> bool:
"""Check if file is a valid ANBM by magic bytes."""
signature = bytes([0x46, 0x4F, 0x52, 0x4D])
with open(file_path, "rb") as f:
return f.read(4) == signatureHow to validate .anbm files in Node.js
function isANBM(buffer: Buffer): boolean {
const signature = Buffer.from([0x46, 0x4F, 0x52, 0x4D]);
return buffer.subarray(0, 4).equals(signature);
}How to validate .anbm files in Go
func IsANBM(data []byte) bool {
signature := []byte{0x46, 0x4F, 0x52, 0x4D}
if len(data) < 4 {
return false
}
return bytes.Equal(data[:4], signature)
}API Endpoint
/api/v1/anbm
curl https://filesignature.org/api/v1/anbm
See the full API documentation for all endpoints and parameters.
Frequently Asked Questions
What is a .anbm file?
A .anbm file is identified by the magic bytes 46 4F 52 4D at byte offset 0. ANBM is an Interchange File Format bitmap variant from the Amiga platform, originally created within Commodore’s software ecosystem. It is used for storing and exchanging raster graphics in legacy Amiga applications, including image viewers, editors, and archival collections. The format is generally safe to inspect, but it is considered legacy; malformed files may expose parser bugs in older software, so files from untrusted sources should be opened with current tools.
What are the magic bytes for .anbm files?
The magic bytes for ANBM files are 46 4F 52 4D at byte offset 0. These bytes uniquely identify the file format regardless of the file extension.
How do I validate a .anbm file?
To validate a .anbm file, read the first bytes of the file and compare them against the known magic bytes (46 4F 52 4D) at offset 0. This is more reliable than checking the file extension alone, as extensions can be renamed.
What is the MIME type for .anbm files?
There is no officially registered MIME type for .anbm files. Systems typically use application/octet-stream as a generic fallback when handling this format.
Is it safe to open .anbm files?
ANBM (.anbm) 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.