diff --git a/manual/edit.rst b/manual/edit.rst
index 45bb93202b..3b0e71d079 100644
--- a/manual/edit.rst
+++ b/manual/edit.rst
@@ -802,7 +802,8 @@ The HTML editor has very sophisticated syntax highlighting. Features include:
     * The text inside bold, italic and heading tags is made bold/italic
     * As you move your cursor through the HTML, the matching HTML tags are
       highlighted, and you can jump to the opening or closing tag with the
-      keyboard shortcuts :kbd:`Ctrl+{` and :kbd:`Ctrl+}`
+      keyboard shortcuts :kbd:`Ctrl+{` and :kbd:`Ctrl+}`. Similarly, you
+      can select the contents of a tag with :kbd:`Ctrl+Alt+T`.
     * Invalid HTML is highlighted with a red underline
     * Spelling errors in the text inside HTML tags and attributes such as title
       are highlighted. The spell checking is language aware, based on the value
diff --git a/src/calibre/gui2/tweak_book/editor/smarts/html.py b/src/calibre/gui2/tweak_book/editor/smarts/html.py
index 91f031cd29..45c4af2915 100644
--- a/src/calibre/gui2/tweak_book/editor/smarts/html.py
+++ b/src/calibre/gui2/tweak_book/editor/smarts/html.py
@@ -352,6 +352,18 @@ class Smarts(NullSmarts):
         editor.setTextCursor(c)
         return True
 
+    def select_tag_contents(self, editor):
+        editor.highlighter.join()
+        start = self.last_matched_tag
+        end = self.last_matched_closing_tag
+        if start is None or end is None:
+            return False
+        c = editor.textCursor()
+        c.setPosition(start.start_block.position() + start.end_offset + 1)
+        c.setPosition(end.start_block.position() + end.start_offset, c.KeepAnchor)
+        editor.setTextCursor(c)
+        return True
+
     def remove_tag(self, editor):
         editor.highlighter.join()
         if not self.last_matched_closing_tag and not self.last_matched_tag:
@@ -662,6 +674,8 @@ class Smarts(NullSmarts):
             if int(mods & Qt.ControlModifier):
                 if self.jump_to_enclosing_tag(editor, key == Qt.Key_BraceLeft):
                     return True
+        if key == Qt.Key_T and int(ev.modifiers() & (Qt.ControlModifier | Qt.AltModifier)):
+            return self.select_tag_contents(editor)
 
         return False