diff --git a/src/app/header.rs b/src/app/header.rs
index 0c61bc0..ce5a17e 100644
--- a/src/app/header.rs
+++ b/src/app/header.rs
@@ -271,6 +271,9 @@ fn ToolsButton(menu_container: NodeRef<html::element::Div>) -> impl IntoView {
                         on_embed=move |e| {
                             on_embed(e, signal);
                         }
+                        on_internal=move |_| {
+                            signal.set(false);
+                        }
                     />
                 }
                     .into_any()
diff --git a/src/app/tools_menu.rs b/src/app/tools_menu.rs
index 06e4939..bc2ff4f 100644
--- a/src/app/tools_menu.rs
+++ b/src/app/tools_menu.rs
@@ -4,10 +4,11 @@ use web_sys::MouseEvent;
 use crate::app::{button_menu_item::ButtonMenuItem, menu_aside::MenuAside, menu_group::MenuGroup};
 
 #[component]
-pub fn ToolsMenu<F, E>(on_format: F, on_embed: E) -> impl IntoView
+pub fn ToolsMenu<F, E, I>(on_format: F, on_embed: E, on_internal: I) -> impl IntoView
 where
     F: Fn(MouseEvent) + Send + 'static,
     E: Fn(MouseEvent) + Send + 'static,
+    I: Fn(MouseEvent) + Send + 'static,
 {
     view! {
         <MenuGroup title="Tools".into()>
@@ -17,6 +18,13 @@ where
             <ButtonMenuItem name="Embed Query Result".into() on_click=on_embed>
                 <MenuAside>"https://crates.io/crates/prettytable-rs"</MenuAside>
             </ButtonMenuItem>
+            <a href="https://sqlite-internal.pages.dev" target="_blank">
+                <ButtonMenuItem name="SQLite internal".into() on_click=on_internal>
+                    <MenuAside>
+                        "This tool helps you explore the SQLite file format internals"
+                    </MenuAside>
+                </ButtonMenuItem>
+            </a>
         </MenuGroup>
     }
 }