SDD (.sdd)
.sdd file signature | application/vnd.stardivision.impress
Magic Bytes
Offset 0
D0 CF 11 E0 A1 B1 1A E1
Sources: Apache Tika
Extension
.sdd
MIME Type
application/vnd.stardivision.impress
Byte Offset
0
Risk Level
Safe
Validation Code
How to validate .sdd files in Python
def is_sdd(file_path: str) -> bool:
"""Check if file is a valid SDD by magic bytes."""
signature = bytes([0xD0, 0xCF, 0x11, 0xE0, 0xA1, 0xB1, 0x1A, 0xE1])
with open(file_path, "rb") as f:
return f.read(8) == signatureHow to validate .sdd files in Node.js
function isSDD(buffer: Buffer): boolean {
const signature = Buffer.from([0xD0, 0xCF, 0x11, 0xE0, 0xA1, 0xB1, 0x1A, 0xE1]);
return buffer.subarray(0, 8).equals(signature);
}How to validate .sdd files in Go
func IsSDD(data []byte) bool {
signature := []byte{0xD0, 0xCF, 0x11, 0xE0, 0xA1, 0xB1, 0x1A, 0xE1}
if len(data) < 8 {
return false
}
return bytes.Equal(data[:8], signature)
}API Endpoint
/api/v1/sdd
curl https://filesignature.org/api/v1/sdd
See the full API documentation for all endpoints and parameters.
Frequently Asked Questions
What is a .sdd file?
A .sdd file is a SDD file.
What are the magic bytes for .sdd files?
The magic bytes for SDD files are D0 CF 11 E0 A1 B1 1A E1 at byte offset 0. These bytes uniquely identify the file format regardless of the file extension.
How do I validate a .sdd file?
To validate a .sdd file, read the first bytes of the file and compare them against the known magic bytes (D0 CF 11 E0 A1 B1 1A E1) at offset 0. This is more reliable than checking the file extension alone, as extensions can be renamed.
What is the MIME type for .sdd files?
The primary MIME type for .sdd files is application/vnd.stardivision.impress.
Is it safe to open .sdd files?
SDD (.sdd) 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.