diff --git a/blocks/oik-countdown/index.js b/blocks/oik-countdown/index.js
index 313dc3c..258fe56 100644
--- a/blocks/oik-countdown/index.js
+++ b/blocks/oik-countdown/index.js
@@ -43,6 +43,8 @@ const {
 } = wp.compose;	
 
 const Fragment = wp.element.Fragment;
+import { transforms } from './transforms.js';
+
 
 
 /**
@@ -110,6 +112,8 @@ registerBlockType(
 				
 		supports: { html: false, className: false},
 
+		transforms,
+
         edit: props => {
 					
 					const onChangeSince = ( event ) => {
diff --git a/blocks/oik-countdown/transforms.js b/blocks/oik-countdown/transforms.js
new file mode 100644
index 0000000..7f0cf4d
--- /dev/null
+++ b/blocks/oik-countdown/transforms.js
@@ -0,0 +1,62 @@
+/**
+ * Transformation to oik/countdown of oik-blocks/countdown and [bw_coundtown].
+ */
+const { createBlock
+} = wp.blocks;
+
+const transforms = {
+    from: [
+        {
+            type: 'block',
+            blocks: ['oik-block/countdown'],
+            transform: function (attributes) {
+                return createBlock('oik/countdown', attributes  );
+            },
+        },
+        {
+            type: 'shortcode',
+            tag: 'bw_countdown',
+            attributes: {
+                since: {
+                    type: 'string',
+                    shortcode: ( { named: { since } } ) => {
+                        return since;
+                    },
+                },
+                until: {
+                    type: 'string',
+                    shortcode: ( { named: { until } } ) => {
+                        return until;
+                    },
+                },
+                url: {
+                    type: 'string',
+                    shortcode: ( { named: { url } } ) => {
+                        return url;
+                    },
+                },
+                description: {
+                    type: 'string',
+                    shortcode: ( { named: { description } } ) => {
+                        return description;
+                    },
+                },
+                expirytext: {
+                    type: 'string',
+                    shortcode: ( { named: { expirytext } } ) => {
+                        return expirytext;
+                    },
+                },
+                format: {
+                    type: 'string',
+                    shortcode: ( { named: { format } } ) => {
+                        return format;
+                    },
+                },
+
+            },
+        },
+    ]
+};
+
+export { transforms } ;
\ No newline at end of file