diff --git a/utils/convertAdvancedFilters.tsx b/utils/convertAdvancedFilters.tsx
new file mode 100644
index 00000000..3fc4540f
--- /dev/null
+++ b/utils/convertAdvancedFilters.tsx
@@ -0,0 +1,21 @@
+import cloneDeep from 'lodash.clonedeep'
+
+export function convertAdvancedFilters(filters: FilterSet) {
+  let copy = cloneDeep(filters)
+
+  const includes = filterString(filters.includes || [])
+  const excludes = filterString(filters.excludes || [])
+
+  delete copy.includes
+  delete copy.excludes
+
+  return {
+    ...copy,
+    includes,
+    excludes,
+  }
+}
+
+export function filterString(list: MentionItem[]) {
+  return list.map((item) => item.granblue_id).join(',')
+}