diff --git a/new-frontend/src/components/XmlTool.vue b/new-frontend/src/components/XmlTool.vue
index 37cc37a..c227da5 100644
--- a/new-frontend/src/components/XmlTool.vue
+++ b/new-frontend/src/components/XmlTool.vue
@@ -3,18 +3,25 @@ import { onMounted, ref, watch } from 'vue';
 
 const xml = ref('');
 const transform = ref('');
-const transformPlaceholder = ref('')
-const result = ref('')
+const transformPlaceholder = ref('');
+const engine = ref('');
+const result = ref('');
 
-const activeXmlTool = ref('')
+const activeXmlTool = ref('');
 
 async function submit() {
-  const url = document.location.protocol + "//" + document.location.hostname + "/java/" + activeXmlTool.value;
+  const engineEndpoint = engine.value == "libxml" ? "libxml" : "java"
+  const url = document.location.protocol + "//" + document.location.hostname + "/" + engineEndpoint + "/" + activeXmlTool.value;
+
+  var version = "1.0";
+  if (engine.value == "saxon")
+    version = "3.0"
+
   var requestBody = JSON.stringify({
     "data": xml.value,
     "process": transform.value,
-    "processor": "xalan",
-    "version": "3.0"
+    "processor": engine.value,
+    "version": version
   });
 
   var request = new Request(url, {
@@ -61,6 +68,12 @@ onMounted(() => {
   <label for="xquery">XQuery</label>
   <input v-model="activeXmlTool" type="radio" id="xquery" name="xmltool" value="xquery" />
   <br /><br />
+  <select name="engine" v-model="engine">
+    <option value="saxon" selected>Saxon</option>
+    <option value="xalan">Xalan</option>
+    <option value="libxml">libXML</option>
+  </select>
+  <br />
   <textarea v-model="xml" id="xml" placeholder="XML"></textarea>
   <textarea v-model="transform" id="transform" :placeholder="transformPlaceholder"></textarea><br />
   <button @click="submit">Submit</button><br />