AOL client preferences/settings file magic bytes (.ind)
.ind file signature: 41 4F 4C 49 44 58 | application/octet-stream
The IND file format is an AOL client preferences and settings file maintained by America Online for its legacy software. It stores user configuration data such as account options, interface preferences, and connection settings, and was used by AOL desktop clients to preserve personalized behavior between sessions. As a legacy format, it is generally safe and contains configuration data rather than executable content, though files from outdated installations may no longer be supported.
Magic Bytes
Offset 0
41 4F 4C 49 44 58
Sources: Gary Kessler
Validation Code
How to validate .ind files in Python
def is_ind(file_path: str) -> bool:
"""Check if file is a valid IND by magic bytes."""
signature = bytes([0x41, 0x4F, 0x4C, 0x49, 0x44, 0x58])
with open(file_path, "rb") as f:
return f.read(6) == signatureHow to validate .ind files in Node.js
function isIND(buffer: Buffer): boolean {
const signature = Buffer.from([0x41, 0x4F, 0x4C, 0x49, 0x44, 0x58]);
return buffer.subarray(0, 6).equals(signature);
}How to validate .ind files in Go
func IsIND(data []byte) bool {
signature := []byte{0x41, 0x4F, 0x4C, 0x49, 0x44, 0x58}
if len(data) < 6 {
return false
}
return bytes.Equal(data[:6], signature)
}API Endpoint
/api/v1/ind
curl https://filesignature.org/api/v1/ind
See the full API documentation for all endpoints and parameters.
Related Formats
Frequently Asked Questions
What is a .ind file?
A .ind file is an AOL client preferences/settings file. The IND file format is an AOL client preferences and settings file maintained by America Online for its legacy software. It stores user configuration data such as account options, interface preferences, and connection settings, and was used by AOL desktop clients to preserve personalized behavior between sessions. As a legacy format, it is generally safe and contains configuration data rather than executable content, though files from outdated installations may no longer be supported.
What are the magic bytes for .ind files?
The magic bytes for AOL client preferences/settings file (.ind) files are 41 4F 4C 49 44 58 at byte offset 0. These bytes identify the file format more reliably than the extension alone.
How do I validate a .ind file?
To validate a .ind file, read the first bytes of the file and compare them against the known magic bytes (41 4F 4C 49 44 58) at offset 0. This is more reliable than checking the file extension alone, as extensions can be renamed.
What is the MIME type for .ind files?
There is no officially registered MIME type for .ind files. Systems typically use application/octet-stream as a generic fallback when handling this format.
Is it safe to open .ind files?
AOL client preferences/settings file (.ind) 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.