Instead using external API (api.qrserver.com) .. use chillerlan/php-qrcode

src/forms/qrcode_options.php

@@ -45,6 +45,7 @@
                     <option value="800">800</option>
                     <option value="900">900</option>
                     <option value="1000">1000</option>
+                    <option value="2000">2000</option>
                 </select>
             </div>
         </div>
@@ -75,6 +76,7 @@
                     <option value="jpeg">JPEG</option>
                     <option value="jpg">JPG</option>
                     <option value="svg">SVG</option>
+                    <option value="svgbw">SVG (BW)</option>
                     <option value="eps">EPS</option>
                 </select>
     </div>
@@ -107,4 +109,4 @@
 <?php } else { ?>
     <input type="hidden" name="id_owner" value="<?php echo $_SESSION["user_id"];?>"/>
 <?php } ?>
-    <br>
+    <br>

src/forms/table_static.php

@@ -58,7 +58,7 @@
                 </td>
                 <td><?php echo htmlspecialchars($row['filename']); ?></td>
                 <td><?php echo htmlspecialchars($row['type']); ?></td>
-                <td><?php echo $row['content']; ?></td>
+                <td><?php echo htmlspecialchars_decode($row['content']); ?></td>
                 <td>
                     <?php echo '<img src="'.SAVED_QRCODE_FOLDER.htmlspecialchars($row['qrcode']).'" width="100" height="100">'; ?>
                 </td>