diff --git a/editor/file_system/editor_file_system.cpp b/editor/file_system/editor_file_system.cpp
index a286f0956f..cdfb403f2f 100644
--- a/editor/file_system/editor_file_system.cpp
+++ b/editor/file_system/editor_file_system.cpp
@@ -3285,7 +3285,12 @@ void EditorFileSystem::reimport_files(const Vector<String> &p_files) {
 	// Emit the resource_reimporting signal for the single file before the actual importation.
 	emit_signal(SNAME("resources_reimporting"), reloads);
 
-#ifdef THREADS_ENABLED
+#ifdef WEB_ENABLED
+	// On web, busy-wait loops on the main thread block the JavaScript event loop,
+	// causing the browser tab to appear frozen. Disable threaded imports entirely.
+	// See GH-112072 for details.
+	bool use_multiple_threads = false;
+#elif defined(THREADS_ENABLED)
 	bool use_multiple_threads = GLOBAL_GET("editor/import/use_multiple_threads");
 #else
 	bool use_multiple_threads = false;
@@ -3750,7 +3755,9 @@ void EditorFileSystem::remove_import_format_support_query(Ref<EditorFileSystemIm
 }
 
 EditorFileSystem::EditorFileSystem() {
-#ifdef THREADS_ENABLED
+#if defined(THREADS_ENABLED) && !defined(WEB_ENABLED)
+	// On web, threaded scanning blocks the browser's event loop, causing freezes.
+	// See GH-112072 for details.
 	use_threads = true;
 #endif