diff --git a/Frontend/tools/xsd.html b/Frontend/tools/xsd.html
index 95de619..dd74623 100644
--- a/Frontend/tools/xsd.html
+++ b/Frontend/tools/xsd.html
@@ -26,8 +26,10 @@
                 </select>
                     </div>
                     <div>
-                        <button class="action-button active" id="defaultXMLButton" style="padding: 3px 10px;"
+                        <button class="action-button active" id="clearXMLButton" style="padding: 3px 10px;"
                             onclick="clearDataField()">Clear</button>
+                        <button class="action-button active" id="prettyXMLButton" style="padding: 3px 10px;"
+                            onclick="performFormatRequest('prettifypost', true, 'xmlArea', 'xmlArea')">Format XML</button>
                         <button class="action-button active" id="defaultXMLButton" style="padding: 3px 10px;"
                             onclick="fillDefaultXML(this)">Insert default XML</button>
                     </div>
diff --git a/Frontend/tools/xslt.html b/Frontend/tools/xslt.html
index 5128300..3751237 100644
--- a/Frontend/tools/xslt.html
+++ b/Frontend/tools/xslt.html
@@ -26,8 +26,10 @@
                 </select>
                     </div>
                     <div>
-                        <button class="action-button active" id="defaultXMLButton" style="padding: 3px 10px;"
+                        <button class="action-button active" id="clearXMLButton" style="padding: 3px 10px;"
                             onclick="clearDataField()">Clear</button>
+                        <button class="action-button active" id="prettyXMLButton" style="padding: 3px 10px;"
+                            onclick="performFormatRequest('prettifypost', true, 'xmlArea', 'xmlArea')">Format XML</button>
                         <button class="action-button active" id="defaultXMLButton" style="padding: 3px 10px;"
                             onclick="fillDefaultXML(this)">Insert default XML</button>
                     </div>