bzip2compressed archive magic bytes (.tbz2)
.tbz2 file signature: 42 5A 68 | application/x-bzip2
A TBZ2 file is a tar archive compressed with bzip2, a compression format created by Julian Seward and maintained through open-source implementations. It is commonly used to package software distributions, source code, and backups into a single compressed archive for easier transfer and storage. The format is generally safe, though extracting archives from untrusted sources can expose files with unexpected paths or contents, so users should verify provenance before unpacking.
Magic Bytes
Offset 0
42 5A 68
Sources: Gary Kessler
Validation Code
How to validate .tbz2 files in Python
def is_tbz2(file_path: str) -> bool:
"""Check if file is a valid TBZ2 by magic bytes."""
signature = bytes([0x42, 0x5A, 0x68])
with open(file_path, "rb") as f:
return f.read(3) == signatureHow to validate .tbz2 files in Node.js
function isTBZ2(buffer: Buffer): boolean {
const signature = Buffer.from([0x42, 0x5A, 0x68]);
return buffer.subarray(0, 3).equals(signature);
}How to validate .tbz2 files in Go
func IsTBZ2(data []byte) bool {
signature := []byte{0x42, 0x5A, 0x68}
if len(data) < 3 {
return false
}
return bytes.Equal(data[:3], signature)
}API Endpoint
/api/v1/tbz2
curl https://filesignature.org/api/v1/tbz2
See the full API documentation for all endpoints and parameters.
Related Formats
Frequently Asked Questions
What is a .tbz2 file?
A .tbz2 file is a bzip2compressed archive. A TBZ2 file is a tar archive compressed with bzip2, a compression format created by Julian Seward and maintained through open-source implementations. It is commonly used to package software distributions, source code, and backups into a single compressed archive for easier transfer and storage. The format is generally safe, though extracting archives from untrusted sources can expose files with unexpected paths or contents, so users should verify provenance before unpacking.
What are the magic bytes for .tbz2 files?
The magic bytes for bzip2compressed archive (.tbz2) files are 42 5A 68 at byte offset 0. These bytes identify the file format more reliably than the extension alone.
How do I validate a .tbz2 file?
To validate a .tbz2 file, read the first bytes of the file and compare them against the known magic bytes (42 5A 68) at offset 0. This is more reliable than checking the file extension alone, as extensions can be renamed.
What is the MIME type for .tbz2 files?
The primary MIME type for .tbz2 files is application/x-bzip2.
Is it safe to open .tbz2 files?
bzip2compressed archive (.tbz2) 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.