diff --git a/.config/kak/autoload/util.kak b/.config/kak/autoload/util.kak
index 8a0e76af..97eb7d07 100644
--- a/.config/kak/autoload/util.kak
+++ b/.config/kak/autoload/util.kak
@@ -13,3 +13,17 @@ insert-date -params 0.. %{
 }
 
 alias global date insert-date
+
+define-command -params 2 \
+-docstring %{
+    Swap all occurence of param A with param B in selections.
+} \
+sedswap %{
+    evaluate-commands -save-regs | %{
+        set-register | %exp{
+            sed "s/%arg{1}/__FOOTOKEN__/; \
+            s/%arg{2}/%arg{1}/; s/__FOOTOKEN__/%arg{2}/"
+        }
+        execute-keys '|<ret>'
+    }
+}