JMX (.jmx)
.jmx file signature | text/plain
Magic Bytes
Offset 0
54 68 69 73 20 69 73 20 54 65 58 2C
Sources: Apache Tika
All Known Signatures
8 signature variants are documented for .jmx files across multiple sources.
| Hex Signature | Offset | Sources |
|---|---|---|
| 54 68 69 73 20 69 73 20 54 65 58 2C | 0 | Apache Tika |
| 54 68 69 73 20 69 73 20 4D 45 54 41 46 4F 4E 54 2C | 0 | Apache Tika |
| 2F 2A | 0 | Apache Tika |
| 2F 2F | 0 | Apache Tika |
| 3B 3B | 0 | Apache Tika |
| FE FF | 0 | Apache Tika |
| FF FE | 0 | Apache Tika |
| EF BB BF | 0 | Apache Tika |
Extension
.jmx
MIME Type
text/plain
Byte Offset
0
Risk Level
Safe
Validation Code
How to validate .jmx files in Python
def is_jmx(file_path: str) -> bool:
"""Check if file is a valid JMX by magic bytes."""
signature = bytes([0x54, 0x68, 0x69, 0x73, 0x20, 0x69, 0x73, 0x20, 0x54, 0x65, 0x58, 0x2C])
with open(file_path, "rb") as f:
return f.read(12) == signature
How to validate .jmx files in Node.js
function isJMX(buffer: Buffer): boolean {
const signature = Buffer.from([0x54, 0x68, 0x69, 0x73, 0x20, 0x69, 0x73, 0x20, 0x54, 0x65, 0x58, 0x2C]);
return buffer.subarray(0, 12).equals(signature);
}
How to validate .jmx files in Go
func IsJMX(data []byte) bool {
signature := []byte{0x54, 0x68, 0x69, 0x73, 0x20, 0x69, 0x73, 0x20, 0x54, 0x65, 0x58, 0x2C}
if len(data) < 12 {
return false
}
return bytes.Equal(data[:12], signature)
}
API Endpoint
/api/v1/jmx
curl https://filesignature.org/api/v1/jmx
See the full API documentation for all endpoints and parameters.
Frequently Asked Questions
What is a .jmx file?
A .jmx file is a JMX file.
What are the magic bytes for .jmx files?
The magic bytes for JMX files are 54 68 69 73 20 69 73 20 54 65 58 2C at byte offset 0. These bytes uniquely identify the file format regardless of the file extension.
How do I validate a .jmx file?
To validate a .jmx file, read the first bytes of the file and compare them against the known magic bytes (54 68 69 73 20 69 73 20 54 65 58 2C) at offset 0. This is more reliable than checking the file extension alone, as extensions can be renamed.
What is the MIME type for .jmx files?
The primary MIME type for .jmx files is text/plain.
Is it safe to open .jmx files?
JMX (.jmx) 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.