diff --git a/.vscodeignore b/.vscodeignore
index 83bd53dc..285196d9 100644
--- a/.vscodeignore
+++ b/.vscodeignore
@@ -10,3 +10,4 @@ vsc-extension-quickstart.md
 **/*.map
 **/*.ts
 node_modules
+icon.svg
diff --git a/icon.png b/icon.png
new file mode 100644
index 00000000..07a00cf6
Binary files /dev/null and b/icon.png differ
diff --git a/icon.svg b/icon.svg
new file mode 100644
index 00000000..8e78d808
--- /dev/null
+++ b/icon.svg
@@ -0,0 +1,28 @@
+<?xml version='1.0' encoding='utf-8' ?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg height='128' viewBox='0 0 128 128' width='128' xmlns='http://www.w3.org/2000/svg'>
+  <style type="text/css">
+    <![CDATA[
+      path {
+        stroke-linejoin: round;
+        stroke: darkred;
+        stroke-width: 4px;
+      }
+      .ruby {
+        fill: red;
+      }
+      .debug {
+        fill: skyblue;
+        stroke: darkred;
+      }
+    ]]>
+  </style>
+  <g transform="translate(64, 64)">
+    <g transform="rotate(-8) scale(1.1) translate(1,3)">
+      <g transform="translate(-64, -64)">
+        <path class='ruby' d='M 14 50 l 20 -20 h 60 l 20 20 l -50 50 z'/>
+        <path class='debug' d='M 102.68629150101524 50 l -12 12 h -45 v -24 h 45 l 12 12 z'/>
+      </g>
+    </g>
+  </g>
+</svg>
diff --git a/package.json b/package.json
index faaa748f..e7030da2 100644
--- a/package.json
+++ b/package.json
@@ -5,6 +5,7 @@
 	"publisher": "KoichiSasada",
 	"version": "0.0.11",
 	"license": "MIT",
+	"icon": "icon.png",
 	"author": {
 		"name": "Koichi Sasada",
 		"email": "ko1@atdot.net",