diff --git a/frontend/src/proprietary/utils/urlMapping.ts b/frontend/src/proprietary/utils/urlMapping.ts
new file mode 100644
index 0000000000..13bc379fb9
--- /dev/null
+++ b/frontend/src/proprietary/utils/urlMapping.ts
@@ -0,0 +1,19 @@
+/**
+ * Proprietary URL mappings.
+ * This file overrides src/core/utils/urlMapping.ts
+ * to add proprietary-specific URL mappings.
+ */
+
+import { ToolId } from '@app/types/toolId';
+import { URL_TO_TOOL_MAP as CORE_URL_TO_TOOL_MAP } from '@core/utils/urlMapping';
+
+// Proprietary URL mappings
+const PROPRIETARY_URL_MAPPINGS: Record<string, ToolId> = {
+  '/pdf-text-editor': 'pdfTextEditor',
+};
+
+// Merge core and proprietary mappings
+export const URL_TO_TOOL_MAP: Record<string, ToolId> = {
+  ...CORE_URL_TO_TOOL_MAP,
+  ...PROPRIETARY_URL_MAPPINGS,
+};