diff --git a/makexpi.sh b/makexpi.sh
old mode 100755
new mode 100644
diff --git a/src/images/thread-in-folder-128px.png b/src/images/thread-in-folder-128px.png
new file mode 100644
index 0000000..01a6142
Binary files /dev/null and b/src/images/thread-in-folder-128px.png differ
diff --git a/src/images/thread-in-folder-16px.png b/src/images/thread-in-folder-16px.png
new file mode 100644
index 0000000..868956a
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diff --git a/src/images/thread-in-folder-32px.png b/src/images/thread-in-folder-32px.png
new file mode 100644
index 0000000..5bd3ffe
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diff --git a/src/images/thread-in-folder-64px.png b/src/images/thread-in-folder-64px.png
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index 0000000..96dd92c
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diff --git a/src/images/thread-in-folder.svg b/src/images/thread-in-folder.svg
new file mode 100644
index 0000000..5d4c7d7
--- /dev/null
+++ b/src/images/thread-in-folder.svg
@@ -0,0 +1,99 @@
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+   x="0px"
+   y="0px"
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+   style="enable-background:new 0 0 512 512;"
+   xml:space="preserve"
+   sodipodi:docname="thread-in-folder.svg"
+   inkscape:version="1.2.1 (9c6d41e410, 2022-07-14)"
+   inkscape:export-filename="thread-in-folder-16px.png"
+   inkscape:export-xdpi="3"
+   inkscape:export-ydpi="3"
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diff --git a/src/manifest.json b/src/manifest.json
index f6c6c41..84d4795 100644
--- a/src/manifest.json
+++ b/src/manifest.json
@@ -9,6 +9,12 @@
             "strict_min_version": "78.0"
         }
     },
+    "icons": {
+      "128": "images/thread-in-folder-128px.png",
+      "64": "images/thread-in-folder-64px.png",
+      "32": "images/thread-in-folder-32px.png",
+      "16": "images/thread-in-folder-16px.png"
+    },
     "background": {
       "scripts": [
         "background.js"