Palmpilot resource file (.prc)
.prc file signature | application/x-mobipocket-ebook
PathWay Map file, used with GPS devices
Magic Bytes
Offset 0
42 4F 4F 4B 4D 4F 42 49
Sources: Apache Tika, Gary Kessler
All Known Signatures
2 signature variants are documented for .prc files across multiple sources.
| Hex Signature | Offset | Sources |
|---|---|---|
| 42 4F 4F 4B 4D 4F 42 49 | 0 | Apache Tika, Gary Kessler |
| 60 3C BE FF E7 42 4D 50 4B 6E 57 72 | 0 | Gary Kessler |
Extension
.prc
MIME Type
application/x-mobipocket-ebook
Byte Offset
0
Risk Level
Safe
Validation Code
How to validate .prc files in Python
def is_prc(file_path: str) -> bool:
"""Check if file is a valid PRC by magic bytes."""
signature = bytes([0x42, 0x4F, 0x4F, 0x4B, 0x4D, 0x4F, 0x42, 0x49])
with open(file_path, "rb") as f:
return f.read(8) == signature
How to validate .prc files in Node.js
function isPRC(buffer: Buffer): boolean {
const signature = Buffer.from([0x42, 0x4F, 0x4F, 0x4B, 0x4D, 0x4F, 0x42, 0x49]);
return buffer.subarray(0, 8).equals(signature);
}
How to validate .prc files in Go
func IsPRC(data []byte) bool {
signature := []byte{0x42, 0x4F, 0x4F, 0x4B, 0x4D, 0x4F, 0x42, 0x49}
if len(data) < 8 {
return false
}
return bytes.Equal(data[:8], signature)
}
API Endpoint
/api/v1/prc
curl https://filesignature.org/api/v1/prc
See the full API documentation for all endpoints and parameters.
Frequently Asked Questions
What is a .prc file?
A .prc file is a Palmpilot resource file file. PathWay Map file, used with GPS devices
What are the magic bytes for .prc files?
The magic bytes for Palmpilot resource file files are 42 4F 4F 4B 4D 4F 42 49 at byte offset 0. These bytes uniquely identify the file format regardless of the file extension.
How do I validate a .prc file?
To validate a .prc file, read the first bytes of the file and compare them against the known magic bytes (42 4F 4F 4B 4D 4F 42 49) at offset 0. This is more reliable than checking the file extension alone, as extensions can be renamed.
What is the MIME type for .prc files?
The primary MIME type for .prc files is application/x-mobipocket-ebook.
Is it safe to open .prc files?
Palmpilot resource file (.prc) 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.