diff --git a/404.html b/404.html
index 5d967a3c..051b88c5 100644
--- a/404.html
+++ b/404.html
@@ -69,6 +69,8 @@ MathJax.Hub.Config({
 <script src="https://unpkg.com/simple-statistics@7.0.2/dist/simple-statistics.min.js"></script>
 <script src="https://cdn.jsdelivr.net/npm/bowser@2.5.3/es5.min.js"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/js-yaml/3.13.1/js-yaml.min.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/jszip@3.5.0/dist/jszip.min.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/file-saver@2.0.2/dist/FileSaver.min.js"></script>
 
 
   </head>
diff --git a/categories/index.html b/categories/index.html
index bed1f74b..625cd97a 100644
--- a/categories/index.html
+++ b/categories/index.html
@@ -70,6 +70,8 @@ MathJax.Hub.Config({
 <script src="https://unpkg.com/simple-statistics@7.0.2/dist/simple-statistics.min.js"></script>
 <script src="https://cdn.jsdelivr.net/npm/bowser@2.5.3/es5.min.js"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/js-yaml/3.13.1/js-yaml.min.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/jszip@3.5.0/dist/jszip.min.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/file-saver@2.0.2/dist/FileSaver.min.js"></script>
 
 
   </head>
diff --git a/css/form.css b/css/form.css
index ab5f3414..283bcf58 100644
--- a/css/form.css
+++ b/css/form.css
@@ -8,7 +8,7 @@ ul.nestedCbList {
   list-style-type: none;
   padding-left: 1em;
 }
-form button.SelectAll {
+form button.selectButton {
   display: block;
 }
 form fieldset.main {
diff --git a/dataset/index.html b/dataset/index.html
index 44f22a05..97a2d224 100644
--- a/dataset/index.html
+++ b/dataset/index.html
@@ -59,7 +59,7 @@
   "headline": "Dataset",
   "description" : "function adjustSticky() { const height = $(\u0022nav\u0022).height() $(\u0022thead.sticky  tr  th \u0022).css(\u0022top\u0022, height) } window.onload = async () = { window.browser = bowser.getParser(window.navigator.userAgent); $(\u0022input[type=\u0027checkbox\u0027]\u0022).trigger(\u0022change\u0022) $(\u0022input[type=\u0027number\u0027].range\u0022).trigger(\u0022change\u0022) adjustSticky(); $(window).resize(adjustSticky) var slist = $(\u0022#SelectList\u0022) getAllSelect().each(function () { $(\u0022\u0022).text($(\u0027label[for=\u0022\u0027 \u002b $(this).attr(\u0027id\u0027) \u002b \u0027\u0022]\u0027).text()).appendTo(slist) }) $(\u0027[data-needbrowser],[data-neednotbrowser]\u0027).each(function () { function test(key, value) { switch (key) { case \u0022",
   "inLanguage" : "en",
-  "wordCount":  2068 ,
+  "wordCount":  2158 ,
   "datePublished" : "0001-01-01T00:00:00",
   "dateModified" : "0001-01-01T00:00:00",
   "image" : "https:\/\/lcpq.github.io\/QUESTDB_website\/img\/TOC_JPCL.png",
@@ -120,6 +120,8 @@ MathJax.Hub.Config({
 <script src="https://unpkg.com/simple-statistics@7.0.2/dist/simple-statistics.min.js"></script>
 <script src="https://cdn.jsdelivr.net/npm/bowser@2.5.3/es5.min.js"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/js-yaml/3.13.1/js-yaml.min.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/jszip@3.5.0/dist/jszip.min.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/file-saver@2.0.2/dist/FileSaver.min.js"></script>
 
 
   </head>
@@ -474,6 +476,7 @@ MathJax.Hub.Config({
     processingIndicator.isActive = false
     reloadSizeSelector()
     reloadSelect("sets")
+    refreshExportGeoms()
   }
   async function clearSelect(BeforeName = null) {
     var selects = ((BeforeName == null) ? getAllSelect() : getAllSelectAfter(BeforeName, true))
@@ -961,6 +964,41 @@ MathJax.Hub.Config({
     }
     await reloadContent();
   }
+
+  function refreshExportGeoms() {
+    const vals=$("#mol_select").val()
+    const disable = vals === null || vals.length===0
+    $("#btn_export_geoms").prop("disabled",disable)
+  }
+  async function moleculeSelectionChanged(event) {
+    refreshExportGeoms()
+    await reloadNextSelect(event)
+  }
+
+  async function exportGeoms() {
+    var mols = new Set($("#mol_select").val())
+    
+    if (mols.size!==0) {
+      const zip = JSZip();
+      const geomDic=new Map()
+      for (const geom of window.geoms) {
+        const molecule =geom.parseMetadata().molecule
+        if (mols.has(molecule)) {
+          if (!geomDic.has(molecule)) {
+            geomDic.set(molecule,[])
+          }
+          geomDic.get(molecule).push(geom.toXYZ())
+        }
+      }
+      for (const [molecule,geometries] of geomDic) {
+        const xyz=geometries.join("\n\n")
+        var blob=new Blob([xyz],{type: 'chemical/x-xyz'})
+        zip.file(`${mhchemCE.extract(molecule).toLowerCase().replace(" ","_")}.xyz`,blob)
+      }
+      const zipFile = await zip.generateAsync({type: 'blob'})
+      saveAs(zipFile, "molecules.zip")
+    }
+  }
 </script>
 <script>
 function getAbsFilesName(){
@@ -1011,23 +1049,24 @@ function getFluoFilesName(){
       </p>
       <div style="display: inline-block;">
         <label for="DOI_select" class="required">Set</label>
-        <button class="SelectAll" type="button" onclick="selectSelectAll_click(event)">Select all</button>
+        <button class="selectButton" type="button" onclick="selectSelectAll_click(event)">Select all</button>
         <select multiple id="DOI_select" required name="sets" onchange="reloadNextSelect(event)"></select>
       </div>
       <div style="display:inline-block">
         <label for="mol_select" class="required">Molecule</label>
-        <button class="SelectAll" type="button" onclick="selectSelectAll_click(event)">Select all</button>
-        <select multiple id="mol_select" required name="molecule" onchange="reloadNextSelect(event)"></select>
+        <button class="selectButton" type="button" onclick="selectSelectAll_click(event)">Select all</button>
+        <select multiple id="mol_select" required name="molecule" onchange="moleculeSelectionChanged(event)"></select>
+        <button id="btn_export_geoms" class="selectButton" type="button" disabled onclick="exportGeoms()">Export geometries</button>
       </div>
       <br />
       <div style="display: inline-block;">
         <label for="method_select" class="required">Method</label>
-        <button class="SelectAll" type="button" onclick="selectSelectAll_click(event)">Select all</button>
+        <button class="selectButton" type="button" onclick="selectSelectAll_click(event)">Select all</button>
         <select multiple id="method_select" required name="method" onchange="reloadNextSelect(event)"></select>
       </div>
       <div style="display: inline-block;">
         <label for="basis_select" class="required">Basis set</label>
-        <button class="SelectAll" type="button" onclick="selectSelectAll_click(event)">Select all</button>
+        <button class="selectButton" type="button" onclick="selectSelectAll_click(event)">Select all</button>
         <select multiple id="basis_select" required name="basis" onchange="reloadNextSelect(event)"></select>
       </div>
     </fieldset>
diff --git a/index.html b/index.html
index 9edc40e8..cc4fcf01 100644
--- a/index.html
+++ b/index.html
@@ -72,6 +72,8 @@ MathJax.Hub.Config({
 <script src="https://unpkg.com/simple-statistics@7.0.2/dist/simple-statistics.min.js"></script>
 <script src="https://cdn.jsdelivr.net/npm/bowser@2.5.3/es5.min.js"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/js-yaml/3.13.1/js-yaml.min.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/jszip@3.5.0/dist/jszip.min.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/file-saver@2.0.2/dist/FileSaver.min.js"></script>
 
 
   </head>
diff --git a/js/Geometry.js b/js/Geometry.js
index f26c3215..6bde2820 100644
--- a/js/Geometry.js
+++ b/js/Geometry.js
@@ -3,6 +3,21 @@ class Geometry {
     this.molecule = molecule
     this.comment = comment
   }
+
+  toXYZ() {
+    var lines =[]
+    lines.push(this.molecule.atoms.length)
+    lines.push(this.comment)
+    for (const a of this.molecule.atoms) {
+      var line = a.label.padEnd(4, ' ')
+      line += a.x.toFixed(8).padStart(11,' ')
+      line += a.y.toFixed(8).padStart(22,` `)
+      line += a.z.toFixed(8).padStart(22,` `)
+      lines.push(line)
+    }
+    return lines.join("\n")
+   }
+  
   static async loadXYZAsync(file) {
     switch (trueTypeOf(file)) {
       case String.name:
diff --git a/references/index.html b/references/index.html
index feee0960..a39cf250 100644
--- a/references/index.html
+++ b/references/index.html
@@ -120,6 +120,8 @@ MathJax.Hub.Config({
 <script src="https://unpkg.com/simple-statistics@7.0.2/dist/simple-statistics.min.js"></script>
 <script src="https://cdn.jsdelivr.net/npm/bowser@2.5.3/es5.min.js"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/js-yaml/3.13.1/js-yaml.min.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/jszip@3.5.0/dist/jszip.min.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/file-saver@2.0.2/dist/FileSaver.min.js"></script>
 
 
   </head>
diff --git a/subsets/index.html b/subsets/index.html
index f2fccc6d..929312f5 100644
--- a/subsets/index.html
+++ b/subsets/index.html
@@ -120,6 +120,8 @@ MathJax.Hub.Config({
 <script src="https://unpkg.com/simple-statistics@7.0.2/dist/simple-statistics.min.js"></script>
 <script src="https://cdn.jsdelivr.net/npm/bowser@2.5.3/es5.min.js"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/js-yaml/3.13.1/js-yaml.min.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/jszip@3.5.0/dist/jszip.min.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/file-saver@2.0.2/dist/FileSaver.min.js"></script>
 
 
   </head>
diff --git a/tags/index.html b/tags/index.html
index 1d308838..666adfdc 100644
--- a/tags/index.html
+++ b/tags/index.html
@@ -70,6 +70,8 @@ MathJax.Hub.Config({
 <script src="https://unpkg.com/simple-statistics@7.0.2/dist/simple-statistics.min.js"></script>
 <script src="https://cdn.jsdelivr.net/npm/bowser@2.5.3/es5.min.js"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/js-yaml/3.13.1/js-yaml.min.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/jszip@3.5.0/dist/jszip.min.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/file-saver@2.0.2/dist/FileSaver.min.js"></script>
 
 
   </head>
diff --git a/view/index.html b/view/index.html
index 2a8db5d7..0499da8d 100644
--- a/view/index.html
+++ b/view/index.html
@@ -120,6 +120,8 @@ MathJax.Hub.Config({
 <script src="https://unpkg.com/simple-statistics@7.0.2/dist/simple-statistics.min.js"></script>
 <script src="https://cdn.jsdelivr.net/npm/bowser@2.5.3/es5.min.js"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/js-yaml/3.13.1/js-yaml.min.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/jszip@3.5.0/dist/jszip.min.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/file-saver@2.0.2/dist/FileSaver.min.js"></script>
 
 
   </head>
@@ -275,7 +277,6 @@ MathJax.Hub.Config({
       <article role="main" class="blog-post">
         <script src="https://lcpq.github.io/QUESTDB_website/js/getFullDataPath.js" type="text/javascript"></script>
 <script src="https://lcpq.github.io/QUESTDB_website/js/getTextFromFile.js" type="text/javascript"></script>
-<script src="https://cdn.jsdelivr.net/npm/file-saver@2.0.2/dist/FileSaver.min.js"></script>
 <script src="https://lcpq.github.io/QUESTDB_website/js/Base64ToBlob.js" type="text/javascript"></script>
 <script>