IHTML (.ihtml)
.ihtml 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 .ihtml 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
.ihtml
MIME Type
text/plain
Byte Offset
0
Risk Level
Safe
Validation Code
How to validate .ihtml files in Python
def is_ihtml(file_path: str) -> bool:
"""Check if file is a valid IHTML 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 .ihtml files in Node.js
function isIHTML(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 .ihtml files in Go
func IsIHTML(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/ihtml
curl https://filesignature.org/api/v1/ihtml
See the full API documentation for all endpoints and parameters.
Frequently Asked Questions
What is a .ihtml file?
A .ihtml file is a IHTML file.
What are the magic bytes for .ihtml files?
The magic bytes for IHTML 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 .ihtml file?
To validate a .ihtml 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 .ihtml files?
The primary MIME type for .ihtml files is text/plain.
Is it safe to open .ihtml files?
IHTML (.ihtml) 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.