diff --git a/graphql/schema/types/config.graphql b/graphql/schema/types/config.graphql
index e82ea93e2..ec8476342 100644
--- a/graphql/schema/types/config.graphql
+++ b/graphql/schema/types/config.graphql
@@ -394,6 +394,9 @@ input ConfigInterfaceInput {
   customLocales: String
   customLocalesEnabled: Boolean
 
+  "When true, disables all customizations (plugins, CSS, JavaScript, locales) for troubleshooting"
+  disableCustomizations: Boolean
+
   "Interface language"
   language: String
 
@@ -467,6 +470,9 @@ type ConfigInterfaceResult {
   customLocales: String
   customLocalesEnabled: Boolean
 
+  "When true, disables all customizations (plugins, CSS, JavaScript, locales) for troubleshooting"
+  disableCustomizations: Boolean
+
   "Interface language"
   language: String
 
diff --git a/internal/api/resolver_mutation_configure.go b/internal/api/resolver_mutation_configure.go
index b39cf373a..3f10e5d3a 100644
--- a/internal/api/resolver_mutation_configure.go
+++ b/internal/api/resolver_mutation_configure.go
@@ -515,6 +515,8 @@ func (r *mutationResolver) ConfigureInterface(ctx context.Context, input ConfigI
 
 	r.setConfigBool(config.CustomLocalesEnabled, input.CustomLocalesEnabled)
 
+	r.setConfigBool(config.DisableCustomizations, input.DisableCustomizations)
+
 	if input.DisableDropdownCreate != nil {
 		ddc := input.DisableDropdownCreate
 		r.setConfigBool(config.DisableDropdownCreatePerformer, ddc.Performer)
diff --git a/internal/api/resolver_query_configuration.go b/internal/api/resolver_query_configuration.go
index 8a20fcad1..bc76212eb 100644
--- a/internal/api/resolver_query_configuration.go
+++ b/internal/api/resolver_query_configuration.go
@@ -156,6 +156,7 @@ func makeConfigInterfaceResult() *ConfigInterfaceResult {
 	javascriptEnabled := config.GetJavascriptEnabled()
 	customLocales := config.GetCustomLocales()
 	customLocalesEnabled := config.GetCustomLocalesEnabled()
+	disableCustomizations := config.GetDisableCustomizations()
 	language := config.GetLanguage()
 	handyKey := config.GetHandyKey()
 	scriptOffset := config.GetFunscriptOffset()
@@ -183,6 +184,7 @@ func makeConfigInterfaceResult() *ConfigInterfaceResult {
 		JavascriptEnabled:            &javascriptEnabled,
 		CustomLocales:                &customLocales,
 		CustomLocalesEnabled:         &customLocalesEnabled,
+		DisableCustomizations:        &disableCustomizations,
 		Language:                     &language,
 
 		ImageLightbox: &imageLightboxOptions,
diff --git a/internal/api/server.go b/internal/api/server.go
index 9290c6512..797c86ade 100644
--- a/internal/api/server.go
+++ b/internal/api/server.go
@@ -421,7 +421,7 @@ func cssHandler(c *config.Config) func(w http.ResponseWriter, r *http.Request) {
 	return func(w http.ResponseWriter, r *http.Request) {
 		var paths []string
 
-		if c.GetCSSEnabled() {
+		if c.GetCSSEnabled() && !c.GetDisableCustomizations() {
 			// search for custom.css in current directory, then $HOME/.stash
 			fn := c.GetCSSPath()
 			exists, _ := fsutil.FileExists(fn)
@@ -439,7 +439,7 @@ func javascriptHandler(c *config.Config) func(w http.ResponseWriter, r *http.Req
 	return func(w http.ResponseWriter, r *http.Request) {
 		var paths []string
 
-		if c.GetJavascriptEnabled() {
+		if c.GetJavascriptEnabled() && !c.GetDisableCustomizations() {
 			// search for custom.js in current directory, then $HOME/.stash
 			fn := c.GetJavascriptPath()
 			exists, _ := fsutil.FileExists(fn)
@@ -457,7 +457,7 @@ func customLocalesHandler(c *config.Config) func(w http.ResponseWriter, r *http.
 	return func(w http.ResponseWriter, r *http.Request) {
 		buffer := bytes.Buffer{}
 
-		if c.GetCustomLocalesEnabled() {
+		if c.GetCustomLocalesEnabled() && !c.GetDisableCustomizations() {
 			// search for custom-locales.json in current directory, then $HOME/.stash
 			path := c.GetCustomLocalesPath()
 			exists, _ := fsutil.FileExists(path)
diff --git a/internal/manager/config/config.go b/internal/manager/config/config.go
index 73b9de3ab..a0c260f23 100644
--- a/internal/manager/config/config.go
+++ b/internal/manager/config/config.go
@@ -194,6 +194,7 @@ const (
 	CSSEnabled                          = "cssenabled"
 	JavascriptEnabled                   = "javascriptenabled"
 	CustomLocalesEnabled                = "customlocalesenabled"
+	DisableCustomizations               = "disable_customizations"
 
 	ShowScrubber        = "show_scrubber"
 	showScrubberDefault = true
@@ -1457,6 +1458,13 @@ func (i *Config) GetCustomLocalesEnabled() bool {
 	return i.getBool(CustomLocalesEnabled)
 }
 
+// GetDisableCustomizations returns true if all customizations (plugins, custom CSS,
+// custom JavaScript, and custom locales) should be disabled. This is useful for
+// troubleshooting issues without permanently disabling individual customizations.
+func (i *Config) GetDisableCustomizations() bool {
+	return i.getBool(DisableCustomizations)
+}
+
 func (i *Config) GetHandyKey() string {
 	return i.getString(HandyKey)
 }
diff --git a/ui/v2.5/graphql/data/config.graphql b/ui/v2.5/graphql/data/config.graphql
index 1c3e9dc1b..05f60a6b0 100644
--- a/ui/v2.5/graphql/data/config.graphql
+++ b/ui/v2.5/graphql/data/config.graphql
@@ -92,6 +92,7 @@ fragment ConfigInterfaceData on ConfigInterfaceResult {
   javascriptEnabled
   customLocales
   customLocalesEnabled
+  disableCustomizations
   language
   imageLightbox {
     slideshowDelay
diff --git a/ui/v2.5/src/App.tsx b/ui/v2.5/src/App.tsx
index a8b92ecc3..18ae04b8f 100644
--- a/ui/v2.5/src/App.tsx
+++ b/ui/v2.5/src/App.tsx
@@ -351,7 +351,12 @@ export const App: React.FC = () => {
         formats={intlFormats}
       >
         <ToastProvider>
-          <PluginsLoader>
+          <PluginsLoader
+            disableCustomizations={
+              config.data?.configuration?.interface?.disableCustomizations ??
+              false
+            }
+          >
             <AppContainer>
               <ConfigurationProvider configuration={config.data!.configuration}>
                 {maybeRenderReleaseNotes()}
diff --git a/ui/v2.5/src/components/Settings/SettingsInterfacePanel/SettingsInterfacePanel.tsx b/ui/v2.5/src/components/Settings/SettingsInterfacePanel/SettingsInterfacePanel.tsx
index bbc334a96..a9a488083 100644
--- a/ui/v2.5/src/components/Settings/SettingsInterfacePanel/SettingsInterfacePanel.tsx
+++ b/ui/v2.5/src/components/Settings/SettingsInterfacePanel/SettingsInterfacePanel.tsx
@@ -300,6 +300,16 @@ export const SettingsInterfacePanel: React.FC = PatchComponent(
           />
         </SettingSection>
 
+        <SettingSection headingID="config.ui.troubleshooting.heading">
+          <BooleanSetting
+            id="disable-customizations"
+            headingID="config.ui.troubleshooting.disable_customizations.heading"
+            subHeadingID="config.ui.troubleshooting.disable_customizations.description"
+            checked={iface.disableCustomizations ?? undefined}
+            onChange={(v) => saveInterface({ disableCustomizations: v })}
+          />
+        </SettingSection>
+
         <SettingSection headingID="config.ui.scene_wall.heading">
           <BooleanSetting
             id="wall-show-title"
diff --git a/ui/v2.5/src/locales/en-GB.json b/ui/v2.5/src/locales/en-GB.json
index 54982b932..fb135df68 100644
--- a/ui/v2.5/src/locales/en-GB.json
+++ b/ui/v2.5/src/locales/en-GB.json
@@ -611,6 +611,13 @@
         "heading": "Custom CSS",
         "option_label": "Custom CSS enabled"
       },
+      "troubleshooting": {
+        "heading": "Troubleshooting",
+        "disable_customizations": {
+          "heading": "Disable customizations",
+          "description": "Temporarily disables all plugins, custom CSS, custom JavaScript, and custom locales. Use this to troubleshoot issues without permanently disabling individual customizations. A page reload is required for changes to take effect."
+        }
+      },
       "custom_javascript": {
         "description": "Page must be reloaded for changes to take effect. There is no guarantee of compatibility between custom Javascript and future releases of Stash.",
         "heading": "Custom Javascript",
diff --git a/ui/v2.5/src/plugins.tsx b/ui/v2.5/src/plugins.tsx
index 41577a92c..00ffb9ca4 100644
--- a/ui/v2.5/src/plugins.tsx
+++ b/ui/v2.5/src/plugins.tsx
@@ -59,7 +59,8 @@ function sortPlugins(plugins: PluginList) {
 
 // load all plugins and their dependencies
 // returns true when all plugins are loaded, regardess of success or failure
-function useLoadPlugins() {
+// if disableCustomizations is true, skip loading plugins entirely
+function useLoadPlugins(disableCustomizations?: boolean) {
   const {
     data: plugins,
     loading: pluginsLoading,
@@ -74,6 +75,12 @@ function useLoadPlugins() {
   }, [plugins?.plugins, pluginsLoading, pluginsError]);
 
   const pluginJavascripts = useMemoOnce(() => {
+    // Skip loading plugin JS if customizations are disabled.
+    // Note: We check inside useMemoOnce rather than early-returning from useLoadPlugins
+    // to comply with React's rules of hooks - hooks must be called unconditionally.
+    if (disableCustomizations) {
+      return [[], true];
+    }
     return [
       uniq(
         sortedPlugins
@@ -83,9 +90,12 @@ function useLoadPlugins() {
       ),
       !!sortedPlugins && !pluginsLoading && !pluginsError,
     ];
-  }, [sortedPlugins, pluginsLoading, pluginsError]);
+  }, [sortedPlugins, pluginsLoading, pluginsError, disableCustomizations]);
 
   const pluginCSS = useMemoOnce(() => {
+    if (disableCustomizations) {
+      return [[], true];
+    }
     return [
       uniq(
         sortedPlugins
@@ -95,7 +105,7 @@ function useLoadPlugins() {
       ),
       !!sortedPlugins && !pluginsLoading && !pluginsError,
     ];
-  }, [sortedPlugins, pluginsLoading, pluginsError]);
+  }, [sortedPlugins, pluginsLoading, pluginsError, disableCustomizations]);
 
   const pluginJavascriptLoaded = useScript(
     pluginJavascripts ?? [],
@@ -109,11 +119,15 @@ function useLoadPlugins() {
   };
 }
 
-export const PluginsLoader: React.FC<React.PropsWithChildren<{}>> = ({
-  children,
-}) => {
+interface IPluginsLoaderProps {
+  disableCustomizations?: boolean;
+}
+
+export const PluginsLoader: React.FC<
+  React.PropsWithChildren<IPluginsLoaderProps>
+> = ({ disableCustomizations, children }) => {
   const Toast = useToast();
-  const { loading: loaded, error } = useLoadPlugins();
+  const { loading: loaded, error } = useLoadPlugins(disableCustomizations);
 
   useEffect(() => {
     if (error) {