XWELCOME (.xwelcome)
.xwelcome file signature | text/plain
Magic Bytes
Offset 0
54 68 69 73 20 69 73 20 54 65 58 2C
Sources: Apache Tika
All Known Signatures
8 signature variants are documented for .xwelcome files across multiple sources.
| Hex Signature | Offset | Sources |
|---|---|---|
| 54 68 69 73 20 69 73 20 54 65 58 2C | 0 | Apache Tika |
| 54 68 69 73 20 69 73 20 4D 45 54 41 46 4F 4E 54 2C | 0 | Apache Tika |
| 2F 2A | 0 | Apache Tika |
| 2F 2F | 0 | Apache Tika |
| 3B 3B | 0 | Apache Tika |
| FE FF | 0 | Apache Tika |
| FF FE | 0 | Apache Tika |
| EF BB BF | 0 | Apache Tika |
Extension
.xwelcome
MIME Type
text/plain
Byte Offset
0
Risk Level
Safe
Validation Code
How to validate .xwelcome files in Python
def is_xwelcome(file_path: str) -> bool:
"""Check if file is a valid XWELCOME by magic bytes."""
signature = bytes([0x54, 0x68, 0x69, 0x73, 0x20, 0x69, 0x73, 0x20, 0x54, 0x65, 0x58, 0x2C])
with open(file_path, "rb") as f:
return f.read(12) == signature
How to validate .xwelcome files in Node.js
function isXWELCOME(buffer: Buffer): boolean {
const signature = Buffer.from([0x54, 0x68, 0x69, 0x73, 0x20, 0x69, 0x73, 0x20, 0x54, 0x65, 0x58, 0x2C]);
return buffer.subarray(0, 12).equals(signature);
}
How to validate .xwelcome files in Go
func IsXWELCOME(data []byte) bool {
signature := []byte{0x54, 0x68, 0x69, 0x73, 0x20, 0x69, 0x73, 0x20, 0x54, 0x65, 0x58, 0x2C}
if len(data) < 12 {
return false
}
return bytes.Equal(data[:12], signature)
}
API Endpoint
/api/v1/xwelcome
curl https://filesignature.org/api/v1/xwelcome
See the full API documentation for all endpoints and parameters.
Frequently Asked Questions
What is a .xwelcome file?
A .xwelcome file is a XWELCOME file.
What are the magic bytes for .xwelcome files?
The magic bytes for XWELCOME files are 54 68 69 73 20 69 73 20 54 65 58 2C at byte offset 0. These bytes uniquely identify the file format regardless of the file extension.
How do I validate a .xwelcome file?
To validate a .xwelcome file, read the first bytes of the file and compare them against the known magic bytes (54 68 69 73 20 69 73 20 54 65 58 2C) at offset 0. This is more reliable than checking the file extension alone, as extensions can be renamed.
What is the MIME type for .xwelcome files?
The primary MIME type for .xwelcome files is text/plain.
Is it safe to open .xwelcome files?
XWELCOME (.xwelcome) 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.