diff --git a/bundles/com.espressif.idf.sdk.config.ui/src/com/espressif/idf/sdk/config/ui/SDKConfigurationEditor.java b/bundles/com.espressif.idf.sdk.config.ui/src/com/espressif/idf/sdk/config/ui/SDKConfigurationEditor.java
index 318655e76..dc5f5510e 100644
--- a/bundles/com.espressif.idf.sdk.config.ui/src/com/espressif/idf/sdk/config/ui/SDKConfigurationEditor.java
+++ b/bundles/com.espressif.idf.sdk.config.ui/src/com/espressif/idf/sdk/config/ui/SDKConfigurationEditor.java
@@ -626,7 +626,7 @@ protected void renderMenuItems(KConfigMenuItem selectedElement)
 			else if (isVisible && type.equals(IJsonServerConfig.HEX_TYPE))
 			{
 				Label labelName = new Label(updateUIComposite, SWT.NONE);
-				labelName.setText(kConfigMenuItem.getTitle());
+				labelName.setText(kConfigMenuItem.getTitle().concat(" (hex)"));
 
 				Text textControl = new Text(updateUIComposite, SWT.SINGLE | SWT.BORDER);
 				GridData gridData = new GridData();
@@ -635,8 +635,10 @@ else if (isVisible && type.equals(IJsonServerConfig.HEX_TYPE))
 				textControl.setToolTipText(helpInfo);
 				if (configValue != null)
 				{
-					textControl.setText(newConfigValue != null ? Long.toString((long) newConfigValue)
-							: Long.toString((long) configValue));
+					String hexText = newConfigValue != null ? Long.toHexString((long) newConfigValue)
+							: Long.toHexString((long) configValue);
+					textControl.setText("0x" + hexText.toUpperCase());
+
 				}
 				textControl.addModifyListener(addModifyListener(configKey, textControl));
 				addTooltipImage(kConfigMenuItem);
@@ -851,9 +853,11 @@ protected ModifyListener addModifyListener(String configKey, Text textControl)
 			@Override
 			public void modifyText(ModifyEvent e)
 			{
+				String text = textControl.getText().toLowerCase();
+				boolean isHex = text.startsWith("0x");
 				isDirty = true;
 				editorDirtyStateChanged();
-				modifiedJsonMap.put(configKey, textControl.getText().trim());
+				modifiedJsonMap.put(configKey, isHex ? Long.parseLong(text.substring(2), 16) : textControl.getText().trim());
 			}
 		};
 	}