FTXT (.ftxt)
.ftxt file signature | application/octet-stream
FTXT is a plain text file format used for structured form data and is typically maintained by the application or workflow system that created it. It is used to store and exchange simple records, templates, or form content in desktop and enterprise data-processing applications. The format is generally low risk, although legacy files may be difficult to open outside the original software environment.
Magic Bytes
Offset 0
46 4F 52 4D
Sources: Wikipedia
All Known Signatures
2 signature variants are documented for .ftxt files across multiple sources.
Extension
.ftxt
MIME Type
application/octet-stream
Byte Offset
0
Risk Level
Safe
Validation Code
How to validate .ftxt files in Python
def is_ftxt(file_path: str) -> bool:
"""Check if file is a valid FTXT by magic bytes."""
signature = bytes([0x46, 0x4F, 0x52, 0x4D])
with open(file_path, "rb") as f:
return f.read(4) == signatureHow to validate .ftxt files in Node.js
function isFTXT(buffer: Buffer): boolean {
const signature = Buffer.from([0x46, 0x4F, 0x52, 0x4D]);
return buffer.subarray(0, 4).equals(signature);
}How to validate .ftxt files in Go
func IsFTXT(data []byte) bool {
signature := []byte{0x46, 0x4F, 0x52, 0x4D}
if len(data) < 4 {
return false
}
return bytes.Equal(data[:4], signature)
}API Endpoint
/api/v1/ftxt
curl https://filesignature.org/api/v1/ftxt
See the full API documentation for all endpoints and parameters.
Frequently Asked Questions
What is a .ftxt file?
A .ftxt file is identified by the magic bytes 46 4F 52 4D at byte offset 0. FTXT is a plain text file format used for structured form data and is typically maintained by the application or workflow system that created it. It is used to store and exchange simple records, templates, or form content in desktop and enterprise data-processing applications. The format is generally low risk, although legacy files may be difficult to open outside the original software environment.
What are the magic bytes for .ftxt files?
The magic bytes for FTXT files are 46 4F 52 4D at byte offset 0. These bytes uniquely identify the file format regardless of the file extension.
How do I validate a .ftxt file?
To validate a .ftxt file, read the first bytes of the file and compare them against the known magic bytes (46 4F 52 4D) at offset 0. This is more reliable than checking the file extension alone, as extensions can be renamed.
What is the MIME type for .ftxt files?
There is no officially registered MIME type for .ftxt files. Systems typically use application/octet-stream as a generic fallback when handling this format.
Is it safe to open .ftxt files?
FTXT (.ftxt) 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.