diff --git a/README.md b/README.md
index aaf9216..8320569 100644
--- a/README.md
+++ b/README.md
@@ -78,11 +78,12 @@ var editor = EditorJS({
 
 All properties are optional.
 
-| Field        | Type       | Description                 |
-| ------------ | ---------- | --------------------------- |
-| placeholder  | `string`   | header's placeholder string |
-| levels       | `number[]` | enabled heading levels      |
-| defaultLevel | `number`   | default heading level       |
+| Field           | Type       | Description                         |
+| --------------- | ---------- | ----------------------------------- |
+| placeholder     | `string`   | header's placeholder string         |
+| levels          | `number[]` | enabled heading levels              |
+| defaultLevel    | `number`   | default heading level               |
+| allowLineBreaks | `bool`     | allow line breaks. default: `false` |
 
 ```javascript
 var editor = EditorJS({
@@ -95,7 +96,8 @@ var editor = EditorJS({
       config: {
         placeholder: 'Enter a header',
         levels: [2, 3, 4],
-        defaultLevel: 3
+        defaultLevel: 3,
+        allowLineBreaks: true 
       }
     }
   }
diff --git a/src/index.js b/src/index.js
index 8230e7c..4b79498 100644
--- a/src/index.js
+++ b/src/index.js
@@ -227,10 +227,14 @@ class Header {
    * @public
    */
   save(toolsContent) {
-    return {
-      text: toolsContent.innerHTML,
+    const sanitizerConfig = {
+      br: !(typeof this._settings.allowLineBreaks === 'undefined' || this._settings.allowLineBreaks === false),
+    }
+
+    return Object.assign({}, {
+      text: this.api.sanitizer.clean(toolsContent.innerHTML, sanitizerConfig),
       level: this.currentLevel.number,
-    };
+    });
   }
 
   /**
@@ -249,7 +253,9 @@ class Header {
   static get sanitize() {
     return {
       level: false,
-      text: {},
+      text: {
+        br: true,
+      },
     };
   }