MP2A magic bytes (.mp2a)
.mp2a file signature: FF F2 | audio/mpeg
Category: Audio
MP2A is an audio file format defined within the MPEG family of standards, developed by the Moving Picture Experts Group and standardized by ISO/IEC. It is used for storing compressed audio in media playback, broadcasting, archival workflows, and software that supports MPEG audio streams. The format is widely supported and generally considered safe, though, like other media files, malformed or corrupted files can occasionally trigger vulnerabilities in older decoders.
Magic Bytes
Offset 0
FF F2
Sources: Apache Tika
All Known Signatures
12 signature variants are documented for .mp2a files across multiple sources.
| Hex Signature | Offset | Sources |
|---|---|---|
| FF F2 | 0 | Apache Tika |
| FF F3 | 0 | Apache Tika |
| FF F4 | 0 | Apache Tika |
| FF F5 | 0 | Apache Tika |
| FF F6 | 0 | Apache Tika |
| FF F7 | 0 | Apache Tika |
| FF FA | 0 | Apache Tika |
| FF FB | 0 | Apache Tika |
| FF FC | 0 | Apache Tika |
| FF FD | 0 | Apache Tika |
| FF E3 | 0 | Apache Tika |
| 49 44 33 | 0 | Apache Tika |
Validation Code
How to validate .mp2a files in Python
def is_mp2a(file_path: str) -> bool:
"""Check if file is a valid MP2A by magic bytes."""
signature = bytes([0xFF, 0xF2])
with open(file_path, "rb") as f:
return f.read(2) == signatureHow to validate .mp2a files in Node.js
function isMP2A(buffer: Buffer): boolean {
const signature = Buffer.from([0xFF, 0xF2]);
return buffer.subarray(0, 2).equals(signature);
}How to validate .mp2a files in Go
func IsMP2A(data []byte) bool {
signature := []byte{0xFF, 0xF2}
if len(data) < 2 {
return false
}
return bytes.Equal(data[:2], signature)
}API Endpoint
/api/v1/mp2a
curl https://filesignature.org/api/v1/mp2a
See the full API documentation for all endpoints and parameters.
Related Formats
Frequently Asked Questions
What is a .mp2a file?
A .mp2a file is identified by the magic bytes FF F2 at byte offset 0. MP2A is an audio file format defined within the MPEG family of standards, developed by the Moving Picture Experts Group and standardized by ISO/IEC. It is used for storing compressed audio in media playback, broadcasting, archival workflows, and software that supports MPEG audio streams. The format is widely supported and generally considered safe, though, like other media files, malformed or corrupted files can occasionally trigger vulnerabilities in older decoders.
What are the magic bytes for .mp2a files?
The magic bytes for MP2A (.mp2a) files are FF F2 at byte offset 0. These bytes identify the file format more reliably than the extension alone.
How do I validate a .mp2a file?
To validate a .mp2a file, read the first bytes of the file and compare them against the known magic bytes (FF F2) at offset 0. This is more reliable than checking the file extension alone, as extensions can be renamed.
What is the MIME type for .mp2a files?
The primary MIME type for .mp2a files is audio/mpeg.
Is it safe to open .mp2a files?
MP2A (.mp2a) 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.