Skip to content

OTHERS (.others)

.others file signature | application/octet-stream

The UTF-8 byte order mark is a Unicode character sequence defined and maintained by the Unicode Consortium to indicate the presence of UTF-8 encoded text. It is used at the start of plain text files, configuration files, and source code to help software detect encoding, although many UTF-8 documents omit it. Historically, it has caused parsing issues in tools that do not expect it, but it is not considered a security risk.

Safe

Magic Bytes

Offset 0
EF BB BF

Sources: Wikipedia

All Known Signatures

6 signature variants are documented for .others files across multiple sources.

Hex Signature Offset Sources
EF BB BF 0 Wikipedia
FF FE 0 Wikipedia
FE FF 0 Wikipedia
FF FE 00 00 0 Wikipedia
00 00 FE FF 0 Wikipedia
0E FE FF 0 Wikipedia

Extension

.others

MIME Type

application/octet-stream

Byte Offset

0

Risk Level

Safe

Validation Code

How to validate .others files in Python

Python
def is_others(file_path: str) -> bool:
    """Check if file is a valid OTHERS by magic bytes."""
    signature = bytes([0xEF, 0xBB, 0xBF])
    with open(file_path, "rb") as f:
        return f.read(3) == signature

How to validate .others files in Node.js

Node.js
function isOTHERS(buffer: Buffer): boolean {
  const signature = Buffer.from([0xEF, 0xBB, 0xBF]);
  return buffer.subarray(0, 3).equals(signature);
}

How to validate .others files in Go

Go
func IsOTHERS(data []byte) bool {
    signature := []byte{0xEF, 0xBB, 0xBF}
    if len(data) < 3 {
        return false
    }
    return bytes.Equal(data[:3], signature)
}

API Endpoint

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

See the full API documentation for all endpoints and parameters.

Related Formats

Frequently Asked Questions

What is a .others file?

A .others file is identified by the magic bytes EF BB BF at byte offset 0. The UTF-8 byte order mark is a Unicode character sequence defined and maintained by the Unicode Consortium to indicate the presence of UTF-8 encoded text. It is used at the start of plain text files, configuration files, and source code to help software detect encoding, although many UTF-8 documents omit it. Historically, it has caused parsing issues in tools that do not expect it, but it is not considered a security risk.

What are the magic bytes for .others files?

The magic bytes for OTHERS files are EF BB BF at byte offset 0. These bytes uniquely identify the file format regardless of the file extension.

How do I validate a .others file?

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

What is the MIME type for .others files?

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

Is it safe to open .others files?

OTHERS (.others) 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.