DCL (.dcl)
.dcl 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 .dcl 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
.dcl
MIME Type
text/plain
Byte Offset
0
Risk Level
Safe
Validation Code
How to validate .dcl files in Python
def is_dcl(file_path: str) -> bool:
"""Check if file is a valid DCL 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) == signatureHow to validate .dcl files in Node.js
function isDCL(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 .dcl files in Go
func IsDCL(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/dcl
curl https://filesignature.org/api/v1/dcl
See the full API documentation for all endpoints and parameters.
Frequently Asked Questions
What is a .dcl file?
A .dcl file is a DCL file.
What are the magic bytes for .dcl files?
The magic bytes for DCL 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 .dcl file?
To validate a .dcl 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 .dcl files?
The primary MIME type for .dcl files is text/plain.
Is it safe to open .dcl files?
DCL (.dcl) 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.