OTS (.ots)
.ots file signature | application/vnd.oasis.opendocument.spreadsheet-template
Magic Bytes
Offset 0
50 4B
Sources: Apache Tika
Extension
.ots
MIME Type
application/vnd.oasis.opendocument.spreadsheet-template
Byte Offset
0
Risk Level
Safe
Validation Code
How to validate .ots files in Python
def is_ots(file_path: str) -> bool:
"""Check if file is a valid OTS by magic bytes."""
signature = bytes([0x50, 0x4B])
with open(file_path, "rb") as f:
return f.read(2) == signatureHow to validate .ots files in Node.js
function isOTS(buffer: Buffer): boolean {
const signature = Buffer.from([0x50, 0x4B]);
return buffer.subarray(0, 2).equals(signature);
}How to validate .ots files in Go
func IsOTS(data []byte) bool {
signature := []byte{0x50, 0x4B}
if len(data) < 2 {
return false
}
return bytes.Equal(data[:2], signature)
}API Endpoint
/api/v1/ots
curl https://filesignature.org/api/v1/ots
See the full API documentation for all endpoints and parameters.
Frequently Asked Questions
What is a .ots file?
A .ots file is a OTS file.
What are the magic bytes for .ots files?
The magic bytes for OTS files are 50 4B at byte offset 0. These bytes uniquely identify the file format regardless of the file extension.
How do I validate a .ots file?
To validate a .ots file, read the first bytes of the file and compare them against the known magic bytes (50 4B) at offset 0. This is more reliable than checking the file extension alone, as extensions can be renamed.
What is the MIME type for .ots files?
The primary MIME type for .ots files is application/vnd.oasis.opendocument.spreadsheet-template.
Is it safe to open .ots files?
OTS (.ots) 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.