IBOOKS (.ibooks)
.ibooks file signature | application/x-ibooks+zip
Magic Bytes
Offset 0
50 4B 03 04
Sources: Apache Tika
Extension
.ibooks
MIME Type
application/x-ibooks+zip
Byte Offset
0
Risk Level
Safe
Validation Code
How to validate .ibooks files in Python
def is_ibooks(file_path: str) -> bool:
"""Check if file is a valid IBOOKS by magic bytes."""
signature = bytes([0x50, 0x4B, 0x03, 0x04])
with open(file_path, "rb") as f:
return f.read(4) == signatureHow to validate .ibooks files in Node.js
function isIBOOKS(buffer: Buffer): boolean {
const signature = Buffer.from([0x50, 0x4B, 0x03, 0x04]);
return buffer.subarray(0, 4).equals(signature);
}How to validate .ibooks files in Go
func IsIBOOKS(data []byte) bool {
signature := []byte{0x50, 0x4B, 0x03, 0x04}
if len(data) < 4 {
return false
}
return bytes.Equal(data[:4], signature)
}API Endpoint
/api/v1/ibooks
curl https://filesignature.org/api/v1/ibooks
See the full API documentation for all endpoints and parameters.
Frequently Asked Questions
What is a .ibooks file?
A .ibooks file is a IBOOKS file.
What are the magic bytes for .ibooks files?
The magic bytes for IBOOKS files are 50 4B 03 04 at byte offset 0. These bytes uniquely identify the file format regardless of the file extension.
How do I validate a .ibooks file?
To validate a .ibooks file, read the first bytes of the file and compare them against the known magic bytes (50 4B 03 04) at offset 0. This is more reliable than checking the file extension alone, as extensions can be renamed.
What is the MIME type for .ibooks files?
The primary MIME type for .ibooks files is application/x-ibooks+zip.
Is it safe to open .ibooks files?
IBOOKS (.ibooks) 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.