MapInfo Interchange Format file (.mif)
.mif file signature | application/vnd.mif
MapInfo Interchange Format file
Magic Bytes
Offset 0
3C 4D 61 6B 65 72 46 69 6C 65
Sources: Apache Tika
All Known Signatures
9 signature variants are documented for .mif files across multiple sources.
| Hex Signature | Offset | Sources |
|---|---|---|
| 3C 4D 61 6B 65 72 46 69 6C 65 | 0 | Apache Tika |
| 3C 4D 49 46 46 69 6C 65 | 0 | Apache Tika |
| 3C 4D 61 6B 65 72 44 69 63 74 69 6F 6E 61 72 79 | 0 | Apache Tika |
| 3C 4D 61 6B 65 72 53 63 72 65 65 6E 46 6F 6E 74 | 0 | Apache Tika |
| 3C 4D 4D 4C | 0 | Apache Tika |
| 3C 42 6F 6F 6B | 0 | Apache Tika |
| 3C 4D 61 6B 65 72 | 0 | Apache Tika |
| 3C 4D 61 6B 65 72 46 69 6C 65 20 | 0 | Gary Kessler |
| 56 65 72 73 69 6F 6E 20 | 0 | Gary Kessler |
Extension
.mif
MIME Type
application/vnd.mif
Byte Offset
0
Risk Level
Safe
Validation Code
How to validate .mif files in Python
def is_mif(file_path: str) -> bool:
"""Check if file is a valid MIF by magic bytes."""
signature = bytes([0x3C, 0x4D, 0x61, 0x6B, 0x65, 0x72, 0x46, 0x69, 0x6C, 0x65])
with open(file_path, "rb") as f:
return f.read(10) == signatureHow to validate .mif files in Node.js
function isMIF(buffer: Buffer): boolean {
const signature = Buffer.from([0x3C, 0x4D, 0x61, 0x6B, 0x65, 0x72, 0x46, 0x69, 0x6C, 0x65]);
return buffer.subarray(0, 10).equals(signature);
}How to validate .mif files in Go
func IsMIF(data []byte) bool {
signature := []byte{0x3C, 0x4D, 0x61, 0x6B, 0x65, 0x72, 0x46, 0x69, 0x6C, 0x65}
if len(data) < 10 {
return false
}
return bytes.Equal(data[:10], signature)
}API Endpoint
/api/v1/mif
curl https://filesignature.org/api/v1/mif
See the full API documentation for all endpoints and parameters.
Frequently Asked Questions
What is a .mif file?
A .mif file is a MapInfo Interchange Format file file. MapInfo Interchange Format file
What are the magic bytes for .mif files?
The magic bytes for MapInfo Interchange Format file files are 3C 4D 61 6B 65 72 46 69 6C 65 at byte offset 0. These bytes uniquely identify the file format regardless of the file extension.
How do I validate a .mif file?
To validate a .mif file, read the first bytes of the file and compare them against the known magic bytes (3C 4D 61 6B 65 72 46 69 6C 65) at offset 0. This is more reliable than checking the file extension alone, as extensions can be renamed.
What is the MIME type for .mif files?
The primary MIME type for .mif files is application/vnd.mif.
Is it safe to open .mif files?
MapInfo Interchange Format file (.mif) 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.