diff --git a/README.md b/README.md
index 88c18d3..e2e2bd9 100644
--- a/README.md
+++ b/README.md
@@ -13,6 +13,12 @@
   # echo "{{ .foo }}" | korvike -v foo=bar
   bar
   ```
+- `{{ b64encode <string> }}`  
+  Encodes the string with base64 [StdEncoding](https://golang.org/pkg/encoding/base64/#pkg-variables)
+  ```console
+  # echo '{{ b64encode "Hello World" }}' | korvike
+  SGVsbG8gV29ybGQ=
+  ```
 - `{{ env <variable name> [default value] }}`  
   Read environment variables and replace them inside the template
   ```bash
diff --git a/functions/func_base64.go b/functions/func_base64.go
new file mode 100644
index 0000000..86dc7df
--- /dev/null
+++ b/functions/func_base64.go
@@ -0,0 +1,9 @@
+package functions
+
+import "encoding/base64"
+
+func init() {
+	registerFunction("b64encode", func(name string, v ...string) string {
+		return base64.StdEncoding.EncodeToString([]byte(name))
+	})
+}