diff --git a/cronometro.html b/cronometro.html
new file mode 100644
index 0000000..dec5a47
--- /dev/null
+++ b/cronometro.html
@@ -0,0 +1 @@
+<iframe width="475" height="250" src="https://reloj-alarma.es/embed/cronometro/#theme=1&format=3" frameborder="0" allowfullscreen></iframe>