diff --git a/src/js/utils/serialization/Deserializer.js b/src/js/utils/serialization/Deserializer.js
index 35d630bb..19c57fa2 100644
--- a/src/js/utils/serialization/Deserializer.js
+++ b/src/js/utils/serialization/Deserializer.js
@@ -108,7 +108,7 @@
       for (j = 0; j < dataUriLength; j++) {
         dataUri += String.fromCharCode(arr8[(layerStartIndex + 5 + layerNameLength) * 2 + j]);
       }
-      dataUri = 'data:image/png;base64,' + btoa(dataUri);
+      dataUri = 'data:image/png;base64,' + dataUri;
 
       layerStartIndex += Math.ceil(5 + layerNameLength + (dataUriLength / 2));
 
diff --git a/src/js/utils/serialization/Serializer.js b/src/js/utils/serialization/Serializer.js
index a0c11e52..cd0f8f03 100644
--- a/src/js/utils/serialization/Serializer.js
+++ b/src/js/utils/serialization/Serializer.js
@@ -88,7 +88,7 @@
       var framesData = [];
       for (i = 0, layers = piskel.getLayers(); i < layers.length; i++) {
         var renderer = new pskl.rendering.FramesheetRenderer(layers[i].getFrames());
-        dataUri = atob(renderer.renderAsCanvas().toDataURL().split(',')[1]);
+        dataUri = renderer.renderAsCanvas().toDataURL().split(',')[1];
         dataUriLength = dataUri.length;
         framesData.push({uri: dataUri, length: dataUriLength});
       }