diff --git a/package.json b/package.json
index 2fb9d96..cbe0354 100644
--- a/package.json
+++ b/package.json
@@ -19,6 +19,7 @@
     "url": "https://github.com/jzillmann/pdf-to-markdown"
   },
   "dependencies": {
+    "pdfjs-dist": "^1.6.317",
     "vue": "^2.0.5"
   },
   "devDependencies": {
diff --git a/src/components/Dropzone.vue b/src/components/Dropzone.vue
index cd3d2c6..ea79e6b 100644
--- a/src/components/Dropzone.vue
+++ b/src/components/Dropzone.vue
@@ -14,6 +14,7 @@
 </template>
 
 <script>
+import pdfjs from 'pdfjs-dist';
 export default {
     props : {
             multiple : {
@@ -58,6 +59,18 @@ export default {
           var files = e.target.files || e.dataTransfer.files;
           console.debug(files);
           if (!files.length) return;
+
+          var reader = new FileReader();
+          reader.onload = (evt) => {
+            console.debug("Loaded");
+            var buffer = evt.target.result;
+            PDFJS.getDocument(buffer).then(function (pdfDocument) {
+              console.log('Number of pages: ' + pdfDocument.numPages);
+            });
+          };
+          reader.readAsDataURL(files[0]);
+
+
           this.createImage(files[0]);
       },
       createImage(file) {