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Easy CD Creator 5 Layout file (.cl5)

.cl5 file signature | application/octet-stream

Easy CD Creator 5 Layout file

Safe

Magic Bytes

Offset 0
10 00 00 00

Sources: Gary Kessler

Extension

.cl5

MIME Type

application/octet-stream

Byte Offset

0

Risk Level

Safe

Validation Code

How to validate .cl5 files in Python

Python
def is_cl5(file_path: str) -> bool:
    """Check if file is a valid CL5 by magic bytes."""
    signature = bytes([0x10, 0x00, 0x00, 0x00])
    with open(file_path, "rb") as f:
        return f.read(4) == signature

How to validate .cl5 files in Node.js

Node.js
function isCL5(buffer: Buffer): boolean {
  const signature = Buffer.from([0x10, 0x00, 0x00, 0x00]);
  return buffer.subarray(0, 4).equals(signature);
}

How to validate .cl5 files in Go

Go
func IsCL5(data []byte) bool {
    signature := []byte{0x10, 0x00, 0x00, 0x00}
    if len(data) < 4 {
        return false
    }
    return bytes.Equal(data[:4], signature)
}

API Endpoint

GET /api/v1/cl5
curl https://filesignature.org/api/v1/cl5

See the full API documentation for all endpoints and parameters.

Frequently Asked Questions

What is a .cl5 file?

A .cl5 file is a Easy CD Creator 5 Layout file file. Easy CD Creator 5 Layout file

What are the magic bytes for .cl5 files?

The magic bytes for Easy CD Creator 5 Layout file files are 10 00 00 00 at byte offset 0. These bytes uniquely identify the file format regardless of the file extension.

How do I validate a .cl5 file?

To validate a .cl5 file, read the first bytes of the file and compare them against the known magic bytes (10 00 00 00) at offset 0. This is more reliable than checking the file extension alone, as extensions can be renamed.

What is the MIME type for .cl5 files?

There is no officially registered MIME type for .cl5 files. Systems typically use application/octet-stream as a generic fallback when handling this format.

Is it safe to open .cl5 files?

Easy CD Creator 5 Layout file (.cl5) 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.