HighEdit document (.hed)
.hed file signature | application/octet-stream
HighEdit document
Magic Bytes
Offset 0
01 C0 0C
Sources: Gary Kessler
All Known Signatures
4 signature variants are documented for .hed files across multiple sources.
| Hex Signature | Offset | Sources |
|---|---|---|
| 01 C0 0C | 0 | Gary Kessler |
| A1 B2 C3 D4 | 0 | Gary Kessler |
| A1 B2 CD 34 | 0 | Gary Kessler |
| A3 DE B0 | 0 | Gary Kessler |
Extension
.hed
MIME Type
application/octet-stream
Byte Offset
0
Risk Level
Safe
Validation Code
How to validate .hed files in Python
def is_hed(file_path: str) -> bool:
"""Check if file is a valid HED by magic bytes."""
signature = bytes([0x01, 0xC0, 0x0C])
with open(file_path, "rb") as f:
return f.read(3) == signature
How to validate .hed files in Node.js
function isHED(buffer: Buffer): boolean {
const signature = Buffer.from([0x01, 0xC0, 0x0C]);
return buffer.subarray(0, 3).equals(signature);
}
How to validate .hed files in Go
func IsHED(data []byte) bool {
signature := []byte{0x01, 0xC0, 0x0C}
if len(data) < 3 {
return false
}
return bytes.Equal(data[:3], signature)
}
API Endpoint
/api/v1/hed
curl https://filesignature.org/api/v1/hed
See the full API documentation for all endpoints and parameters.
Frequently Asked Questions
What is a .hed file?
A .hed file is a HighEdit document file. HighEdit document
What are the magic bytes for .hed files?
The magic bytes for HighEdit document files are 01 C0 0C at byte offset 0. These bytes uniquely identify the file format regardless of the file extension.
How do I validate a .hed file?
To validate a .hed file, read the first bytes of the file and compare them against the known magic bytes (01 C0 0C) at offset 0. This is more reliable than checking the file extension alone, as extensions can be renamed.
What is the MIME type for .hed files?
There is no officially registered MIME type for .hed files. Systems typically use application/octet-stream as a generic fallback when handling this format.
Is it safe to open .hed files?
HighEdit document (.hed) 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.