diff --git a/fs/mime.go b/fs/mime.go
new file mode 100644
index 0000000..6f26dd8
--- /dev/null
+++ b/fs/mime.go
@@ -0,0 +1,28 @@
+package fs
+
+import (
+	"io"
+	"net/http"
+	"os"
+)
+
+func GetMimeByFileName(filename string) string {
+	f, err := os.Open(filename)
+	if err != nil {
+
+	}
+
+	defer f.Close()
+	return GetMimeByStream(f)
+}
+
+func GetMimeByStream(fp io.Reader) string {
+	buf := make([]byte, 32)
+	fp.Read(buf)
+
+	return http.DetectContentType(buf)
+}
+
+func GetMimeByBytes(b []byte) string {
+	return http.DetectContentType(b)
+}