diff --git a/handler/content.go b/handler/content.go
new file mode 100644
index 0000000..83efde4
--- /dev/null
+++ b/handler/content.go
@@ -0,0 +1,8 @@
+package handler
+
+// ContentHandler defines an interface for handling content sources that are
+// represented as URLs. When the handler will finish its job it should notify
+// the progress. Each error should be sent to the errors channel.
+type ContentHandler interface {
+	Process(url string, progress chan<- int, errors chan<- error)
+}