diff --git a/bin/set-display-dpi b/bin/set-display-dpi
new file mode 100755
index 0000000..c40d364
--- /dev/null
+++ b/bin/set-display-dpi
@@ -0,0 +1,15 @@
+#!/bin/bash
+
+if [[ $# -eq 0 ]]; then
+    xdpyinfo | grep -B 2 resolution
+    exit 0
+fi
+
+NEW_VALUE="$1"
+
+xrandr --dpi "$NEW_VALUE"
+echo "Xft.dpi: $NEW_VALUE" | xrdb -merge
+
+# Restart i3
+i3-msg restart >/dev/null
+