diff --git a/Userland/Libraries/LibWeb/MimeSniff/MimeType.cpp b/Userland/Libraries/LibWeb/MimeSniff/MimeType.cpp
index c4333cd27c..a339b473a2 100644
--- a/Userland/Libraries/LibWeb/MimeSniff/MimeType.cpp
+++ b/Userland/Libraries/LibWeb/MimeSniff/MimeType.cpp
@@ -238,6 +238,13 @@ ErrorOr<void> MimeType::set_parameter(String name, String value)
     return {};
 }
 
+// https://mimesniff.spec.whatwg.org/#image-mime-type
+bool MimeType::is_image() const
+{
+    // An image MIME type is a MIME type whose type is "image".
+    return type() == "image"sv;
+}
+
 // https://mimesniff.spec.whatwg.org/#xml-mime-type
 bool MimeType::is_xml() const
 {
diff --git a/Userland/Libraries/LibWeb/MimeSniff/MimeType.h b/Userland/Libraries/LibWeb/MimeSniff/MimeType.h
index cf8a6ae59b..a12dec535a 100644
--- a/Userland/Libraries/LibWeb/MimeSniff/MimeType.h
+++ b/Userland/Libraries/LibWeb/MimeSniff/MimeType.h
@@ -26,6 +26,7 @@ public:
     String const& subtype() const { return m_subtype; }
     OrderedHashMap<String, String> const& parameters() const { return m_parameters; }
 
+    bool is_image() const;
     bool is_xml() const;
     bool is_html() const;
     bool is_javascript() const;