PSF1 (.psf1)
.psf1 file signature | audio/x-psf
Magic Bytes
Offset 0
50 53 46
Sources: Apache Tika
Extension
.psf1
MIME Type
audio/x-psf
Byte Offset
0
Risk Level
Safe
Validation Code
How to validate .psf1 files in Python
def is_psf1(file_path: str) -> bool:
"""Check if file is a valid PSF1 by magic bytes."""
signature = bytes([0x50, 0x53, 0x46])
with open(file_path, "rb") as f:
return f.read(3) == signatureHow to validate .psf1 files in Node.js
function isPSF1(buffer: Buffer): boolean {
const signature = Buffer.from([0x50, 0x53, 0x46]);
return buffer.subarray(0, 3).equals(signature);
}How to validate .psf1 files in Go
func IsPSF1(data []byte) bool {
signature := []byte{0x50, 0x53, 0x46}
if len(data) < 3 {
return false
}
return bytes.Equal(data[:3], signature)
}API Endpoint
/api/v1/psf1
curl https://filesignature.org/api/v1/psf1
See the full API documentation for all endpoints and parameters.
Frequently Asked Questions
What is a .psf1 file?
A .psf1 file is a PSF1 file.
What are the magic bytes for .psf1 files?
The magic bytes for PSF1 files are 50 53 46 at byte offset 0. These bytes uniquely identify the file format regardless of the file extension.
How do I validate a .psf1 file?
To validate a .psf1 file, read the first bytes of the file and compare them against the known magic bytes (50 53 46) at offset 0. This is more reliable than checking the file extension alone, as extensions can be renamed.
What is the MIME type for .psf1 files?
The primary MIME type for .psf1 files is audio/x-psf.
Is it safe to open .psf1 files?
PSF1 (.psf1) 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.