diff --git a/Userland/Libraries/LibWeb/Internals/Inspector.cpp b/Userland/Libraries/LibWeb/Internals/Inspector.cpp
index 40974ba043..d59acc1a08 100644
--- a/Userland/Libraries/LibWeb/Internals/Inspector.cpp
+++ b/Userland/Libraries/LibWeb/Internals/Inspector.cpp
@@ -9,6 +9,7 @@
 #include <LibWeb/Bindings/InspectorPrototype.h>
 #include <LibWeb/Bindings/Intrinsics.h>
 #include <LibWeb/CSS/Selector.h>
+#include <LibWeb/DOM/NamedNodeMap.h>
 #include <LibWeb/HTML/BrowsingContext.h>
 #include <LibWeb/HTML/Window.h>
 #include <LibWeb/Internals/Inspector.h>
@@ -47,6 +48,24 @@ void Inspector::inspect_dom_node(i32 node_id, Optional<i32> const& pseudo_elemen
     }
 }
 
+void Inspector::set_dom_node_text(i32 node_id, String const& text)
+{
+    if (auto* page = global_object().browsing_context()->page())
+        page->client().inspector_did_set_dom_node_text(node_id, text);
+}
+
+void Inspector::set_dom_node_tag(i32 node_id, String const& tag)
+{
+    if (auto* page = global_object().browsing_context()->page())
+        page->client().inspector_did_set_dom_node_tag(node_id, tag);
+}
+
+void Inspector::replace_dom_node_attribute(i32 node_id, String const& name, JS::NonnullGCPtr<DOM::NamedNodeMap> replacement_attributes)
+{
+    if (auto* page = global_object().browsing_context()->page())
+        page->client().inspector_did_replace_dom_node_attribute(node_id, name, replacement_attributes);
+}
+
 void Inspector::execute_console_script(String const& script)
 {
     if (auto* page = global_object().browsing_context()->page())
diff --git a/Userland/Libraries/LibWeb/Internals/Inspector.h b/Userland/Libraries/LibWeb/Internals/Inspector.h
index f793a9abd0..0413433719 100644
--- a/Userland/Libraries/LibWeb/Internals/Inspector.h
+++ b/Userland/Libraries/LibWeb/Internals/Inspector.h
@@ -21,6 +21,10 @@ public:
     void inspector_loaded();
     void inspect_dom_node(i32 node_id, Optional<i32> const& pseudo_element);
 
+    void set_dom_node_text(i32 node_id, String const& text);
+    void set_dom_node_tag(i32 node_id, String const& tag);
+    void replace_dom_node_attribute(i32 node_id, String const& name, JS::NonnullGCPtr<DOM::NamedNodeMap> replacement_attributes);
+
     void execute_console_script(String const& script);
 
 private:
diff --git a/Userland/Libraries/LibWeb/Internals/Inspector.idl b/Userland/Libraries/LibWeb/Internals/Inspector.idl
index 763f413a2b..9d0f2ea64a 100644
--- a/Userland/Libraries/LibWeb/Internals/Inspector.idl
+++ b/Userland/Libraries/LibWeb/Internals/Inspector.idl
@@ -1,8 +1,14 @@
+#import <DOM/NamedNodeMap.idl>
+
 [Exposed=Nobody] interface Inspector {
 
     undefined inspectorLoaded();
     undefined inspectDOMNode(long nodeID, optional long pseudoElement);
 
+    undefined setDOMNodeText(long nodeID, DOMString text);
+    undefined setDOMNodeTag(long nodeID, DOMString tag);
+    undefined replaceDOMNodeAttribute(long nodeID, DOMString name, NamedNodeMap replacementAttributes);
+
     undefined executeConsoleScript(DOMString script);
 
 };
diff --git a/Userland/Libraries/LibWeb/Page/Page.h b/Userland/Libraries/LibWeb/Page/Page.h
index 69abcb6549..24ca38e175 100644
--- a/Userland/Libraries/LibWeb/Page/Page.h
+++ b/Userland/Libraries/LibWeb/Page/Page.h
@@ -265,6 +265,9 @@ public:
 
     virtual void inspector_did_load() { }
     virtual void inspector_did_select_dom_node([[maybe_unused]] i32 node_id, [[maybe_unused]] Optional<CSS::Selector::PseudoElement> const& pseudo_element) { }
+    virtual void inspector_did_set_dom_node_text([[maybe_unused]] i32 node_id, [[maybe_unused]] String const& text) { }
+    virtual void inspector_did_set_dom_node_tag([[maybe_unused]] i32 node_id, [[maybe_unused]] String const& tag) { }
+    virtual void inspector_did_replace_dom_node_attribute([[maybe_unused]] i32 node_id, [[maybe_unused]] String const& name, [[maybe_unused]] JS::NonnullGCPtr<DOM::NamedNodeMap> replacement_attributes) {};
     virtual void inspector_did_execute_console_script([[maybe_unused]] String const& script) { }
 
 protected:
diff --git a/Userland/Libraries/LibWebView/ViewImplementation.h b/Userland/Libraries/LibWebView/ViewImplementation.h
index 5bccd1df55..a5f95653f7 100644
--- a/Userland/Libraries/LibWebView/ViewImplementation.h
+++ b/Userland/Libraries/LibWebView/ViewImplementation.h
@@ -153,6 +153,9 @@ public:
     Function<void(String const&, String const&, String const&)> on_insert_clipboard_entry;
     Function<void()> on_inspector_loaded;
     Function<void(i32, Optional<Web::CSS::Selector::PseudoElement> const&)> on_inspector_selected_dom_node;
+    Function<void(i32, String const&)> on_inspector_set_dom_node_text;
+    Function<void(i32, String const&)> on_inspector_set_dom_node_tag;
+    Function<void(i32, String const&, Vector<Attribute> const&)> on_inspector_replaced_dom_node_attribute;
     Function<void(String const&)> on_inspector_executed_console_script;
 
     virtual Gfx::IntRect viewport_rect() const = 0;
diff --git a/Userland/Libraries/LibWebView/WebContentClient.cpp b/Userland/Libraries/LibWebView/WebContentClient.cpp
index 8f3b8164e2..06007aeada 100644
--- a/Userland/Libraries/LibWebView/WebContentClient.cpp
+++ b/Userland/Libraries/LibWebView/WebContentClient.cpp
@@ -414,6 +414,24 @@ void WebContentClient::inspector_did_select_dom_node(i32 node_id, Optional<Web::
         m_view.on_inspector_selected_dom_node(node_id, pseudo_element);
 }
 
+void WebContentClient::inspector_did_set_dom_node_text(i32 node_id, String const& text)
+{
+    if (m_view.on_inspector_set_dom_node_text)
+        m_view.on_inspector_set_dom_node_text(node_id, text);
+}
+
+void WebContentClient::inspector_did_set_dom_node_tag(i32 node_id, String const& tag)
+{
+    if (m_view.on_inspector_set_dom_node_tag)
+        m_view.on_inspector_set_dom_node_tag(node_id, tag);
+}
+
+void WebContentClient::inspector_did_replace_dom_node_attribute(i32 node_id, String const& name, Vector<Attribute> const& replacement_attributes)
+{
+    if (m_view.on_inspector_replaced_dom_node_attribute)
+        m_view.on_inspector_replaced_dom_node_attribute(node_id, name, replacement_attributes);
+}
+
 void WebContentClient::inspector_did_execute_console_script(String const& script)
 {
     if (m_view.on_inspector_executed_console_script)
diff --git a/Userland/Libraries/LibWebView/WebContentClient.h b/Userland/Libraries/LibWebView/WebContentClient.h
index 6463ac1d61..05174bed35 100644
--- a/Userland/Libraries/LibWebView/WebContentClient.h
+++ b/Userland/Libraries/LibWebView/WebContentClient.h
@@ -88,6 +88,9 @@ private:
     virtual void did_insert_clipboard_entry(String const& data, String const& presentation_style, String const& mime_type) override;
     virtual void inspector_did_load() override;
     virtual void inspector_did_select_dom_node(i32 node_id, Optional<Web::CSS::Selector::PseudoElement> const& pseudo_element) override;
+    virtual void inspector_did_set_dom_node_text(i32 node_id, String const& text) override;
+    virtual void inspector_did_set_dom_node_tag(i32 node_id, String const& tag) override;
+    virtual void inspector_did_replace_dom_node_attribute(i32 node_id, String const& name, Vector<Attribute> const& replacement_attributes) override;
     virtual void inspector_did_execute_console_script(String const& script) override;
 
     ViewImplementation& m_view;
diff --git a/Userland/Services/WebContent/PageClient.cpp b/Userland/Services/WebContent/PageClient.cpp
index 6a2075768a..75c9524108 100644
--- a/Userland/Services/WebContent/PageClient.cpp
+++ b/Userland/Services/WebContent/PageClient.cpp
@@ -10,6 +10,8 @@
 #include <LibGfx/SystemTheme.h>
 #include <LibWeb/CSS/SystemColor.h>
 #include <LibWeb/Cookie/ParsedCookie.h>
+#include <LibWeb/DOM/Attr.h>
+#include <LibWeb/DOM/NamedNodeMap.h>
 #include <LibWeb/HTML/BrowsingContext.h>
 #include <LibWeb/HTML/TraversableNavigable.h>
 #include <LibWeb/Layout/Viewport.h>
@@ -17,6 +19,7 @@
 #include <LibWeb/Painting/PaintingCommandExecutorCPU.h>
 #include <LibWeb/Painting/ViewportPaintable.h>
 #include <LibWeb/Platform/Timer.h>
+#include <LibWebView/Attribute.h>
 #include <WebContent/ConnectionFromClient.h>
 #include <WebContent/PageClient.h>
 #include <WebContent/PageHost.h>
@@ -508,6 +511,31 @@ void PageClient::inspector_did_select_dom_node(i32 node_id, Optional<Web::CSS::S
     client().async_inspector_did_select_dom_node(node_id, pseudo_element);
 }
 
+void PageClient::inspector_did_set_dom_node_text(i32 node_id, String const& text)
+{
+    client().async_inspector_did_set_dom_node_text(node_id, text);
+}
+
+void PageClient::inspector_did_set_dom_node_tag(i32 node_id, String const& tag)
+{
+    client().async_inspector_did_set_dom_node_tag(node_id, tag);
+}
+
+void PageClient::inspector_did_replace_dom_node_attribute(i32 node_id, String const& name, JS::NonnullGCPtr<Web::DOM::NamedNodeMap> replacement_attributes)
+{
+    Vector<WebView::Attribute> attributes;
+    attributes.ensure_capacity(replacement_attributes->length());
+
+    for (size_t i = 0; i < replacement_attributes->length(); ++i) {
+        auto const* attribute = replacement_attributes->item(i);
+        VERIFY(attribute);
+
+        attributes.empend(attribute->name().to_string(), attribute->value());
+    }
+
+    client().async_inspector_did_replace_dom_node_attribute(node_id, name, move(attributes));
+}
+
 void PageClient::inspector_did_execute_console_script(String const& script)
 {
     client().async_inspector_did_execute_console_script(script);
diff --git a/Userland/Services/WebContent/PageClient.h b/Userland/Services/WebContent/PageClient.h
index 1ff91f3f47..55dc500c58 100644
--- a/Userland/Services/WebContent/PageClient.h
+++ b/Userland/Services/WebContent/PageClient.h
@@ -120,6 +120,9 @@ private:
     virtual void page_did_insert_clipboard_entry(String data, String presentation_style, String mime_type) override;
     virtual void inspector_did_load() override;
     virtual void inspector_did_select_dom_node(i32 node_id, Optional<Web::CSS::Selector::PseudoElement> const& pseudo_element) override;
+    virtual void inspector_did_set_dom_node_text(i32 node_id, String const& text) override;
+    virtual void inspector_did_set_dom_node_tag(i32 node_id, String const& tag) override;
+    virtual void inspector_did_replace_dom_node_attribute(i32 node_id, String const& name, JS::NonnullGCPtr<Web::DOM::NamedNodeMap> replacement_attributes) override;
     virtual void inspector_did_execute_console_script(String const& script) override;
 
     Web::Layout::Viewport* layout_root();
diff --git a/Userland/Services/WebContent/WebContentClient.ipc b/Userland/Services/WebContent/WebContentClient.ipc
index 785815f2ac..25d99004cb 100644
--- a/Userland/Services/WebContent/WebContentClient.ipc
+++ b/Userland/Services/WebContent/WebContentClient.ipc
@@ -7,6 +7,7 @@
 #include <LibWeb/CSS/Selector.h>
 #include <LibWeb/HTML/ActivateTab.h>
 #include <LibWeb/Page/Page.h>
+#include <LibWebView/Attribute.h>
 
 endpoint WebContentClient
 {
@@ -72,6 +73,9 @@ endpoint WebContentClient
 
     inspector_did_load() =|
     inspector_did_select_dom_node(i32 node_id, Optional<Web::CSS::Selector::PseudoElement> pseudo_element) =|
+    inspector_did_set_dom_node_text(i32 node_id, String text) =|
+    inspector_did_set_dom_node_tag(i32 node_id, String tag) =|
+    inspector_did_replace_dom_node_attribute(i32 node_id, String name, Vector<WebView::Attribute> replacement_attributes) =|
     inspector_did_execute_console_script(String script) =|
 
 }