diff --git a/src/pytest_html/extras.py b/src/pytest_html/extras.py
index f64a0eb5..12d91a67 100644
--- a/src/pytest_html/extras.py
+++ b/src/pytest_html/extras.py
@@ -8,6 +8,7 @@
 FORMAT_TEXT = "text"
 FORMAT_URL = "url"
 FORMAT_VIDEO = "video"
+FORMAT_BINARY = "binary"
 
 
 def extra(content, format_type, name=None, mime_type=None, extension=None):
diff --git a/src/pytest_html/result.py b/src/pytest_html/result.py
index f791e6d7..30f1af6c 100644
--- a/src/pytest_html/result.py
+++ b/src/pytest_html/result.py
@@ -116,6 +116,15 @@ def append_extra_html(self, extra, extra_index, test_index):
                     content, extra_index, test_index, extra.get("extension")
                 )
 
+        elif extra.get("format_type") == extras.FORMAT_BINARY:
+            content = extra.get("content")
+            if self.self_contained:
+                href = self._data_uri(content, mime_type=extra.get("mime_type"))
+            else:
+                href = self.create_asset(
+                    content, extra_index, test_index, extra.get("extension"), "wb"
+                )
+
         elif extra.get("format_type") == extras.FORMAT_TEXT:
             content = extra.get("content")
             if isinstance(content, bytes):