SVG (.svg)
.svg file signature | image/svg+xml
Magic Bytes
Offset 0
3C 73 76 67
Sources: Apache Tika
Extension
.svg
MIME Type
image/svg+xml
Byte Offset
0
Risk Level
Safe
Validation Code
How to validate .svg files in Python
def is_svg(file_path: str) -> bool:
"""Check if file is a valid SVG by magic bytes."""
signature = bytes([0x3C, 0x73, 0x76, 0x67])
with open(file_path, "rb") as f:
return f.read(4) == signatureHow to validate .svg files in Node.js
function isSVG(buffer: Buffer): boolean {
const signature = Buffer.from([0x3C, 0x73, 0x76, 0x67]);
return buffer.subarray(0, 4).equals(signature);
}How to validate .svg files in Go
func IsSVG(data []byte) bool {
signature := []byte{0x3C, 0x73, 0x76, 0x67}
if len(data) < 4 {
return false
}
return bytes.Equal(data[:4], signature)
}API Endpoint
/api/v1/svg
curl https://filesignature.org/api/v1/svg
See the full API documentation for all endpoints and parameters.
Frequently Asked Questions
What is a .svg file?
A .svg file is a SVG file.
What are the magic bytes for .svg files?
The magic bytes for SVG files are 3C 73 76 67 at byte offset 0. These bytes uniquely identify the file format regardless of the file extension.
How do I validate a .svg file?
To validate a .svg file, read the first bytes of the file and compare them against the known magic bytes (3C 73 76 67) at offset 0. This is more reliable than checking the file extension alone, as extensions can be renamed.
What is the MIME type for .svg files?
The primary MIME type for .svg files is image/svg+xml.
Is it safe to open .svg files?
SVG (.svg) 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.