FLIC Animation file (.fli)
.fli file signature | application/octet-stream
FLIC Animation file
Magic Bytes
Offset 0
00 0D BB A0
Sources: Gary Kessler
All Known Signatures
2 signature variants are documented for .fli files across multiple sources.
| Hex Signature | Offset | Sources |
|---|---|---|
| 00 0D BB A0 | 0 | Gary Kessler |
| 00 11 AF | 0 | Gary Kessler |
Extension
.fli
MIME Type
application/octet-stream
Byte Offset
0
Risk Level
Safe
Validation Code
How to validate .fli files in Python
def is_fli(file_path: str) -> bool:
"""Check if file is a valid FLI by magic bytes."""
signature = bytes([0x00, 0x0D, 0xBB, 0xA0])
with open(file_path, "rb") as f:
return f.read(4) == signature
How to validate .fli files in Node.js
function isFLI(buffer: Buffer): boolean {
const signature = Buffer.from([0x00, 0x0D, 0xBB, 0xA0]);
return buffer.subarray(0, 4).equals(signature);
}
How to validate .fli files in Go
func IsFLI(data []byte) bool {
signature := []byte{0x00, 0x0D, 0xBB, 0xA0}
if len(data) < 4 {
return false
}
return bytes.Equal(data[:4], signature)
}
API Endpoint
/api/v1/fli
curl https://filesignature.org/api/v1/fli
See the full API documentation for all endpoints and parameters.
Frequently Asked Questions
What is a .fli file?
A .fli file is a FLIC Animation file file. FLIC Animation file
What are the magic bytes for .fli files?
The magic bytes for FLIC Animation file files are 00 0D BB A0 at byte offset 0. These bytes uniquely identify the file format regardless of the file extension.
How do I validate a .fli file?
To validate a .fli file, read the first bytes of the file and compare them against the known magic bytes (00 0D BB A0) at offset 0. This is more reliable than checking the file extension alone, as extensions can be renamed.
What is the MIME type for .fli files?
There is no officially registered MIME type for .fli files. Systems typically use application/octet-stream as a generic fallback when handling this format.
Is it safe to open .fli files?
FLIC Animation file (.fli) 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.