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diff --git a/extension/chrome/main.js b/extension/chrome/main.js
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index 0000000..fc6f3d9
--- /dev/null
+++ b/extension/chrome/main.js
@@ -0,0 +1,30 @@
+// find a container and an open in app link with button
+const container = document.querySelector('div[style="text-align: center;"]');
+const openInAppLink = document.querySelector('a[href^="anixart"');
+const openInAppLinkButton = openInAppLink.querySelector("button");
+openInAppLinkButton.style = "margin-top: 0px !important;"; // disable default button margin
+openInAppLinkButton.classList = "btn btn-secondary"; // change default button from primary to secondary
+
+// create a custom footer
+const footer = document.createElement("div");
+footer.style =
+  "display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; align-items: center; margin-top: 20px;";
+
+// create and set custom link
+const link = document.createElement("a");
+const button = document.createElement("button");
+button.style = "margin-top: 0px !important;";
+button.classList = "btn btn-primary";
+button.textContent = "Открыть в Anix";
+
+const url = new URL(window.location.href);
+const pathname = url.pathname;
+link.href = `https://anix.wah.su${pathname}`;
+link.appendChild(button);
+
+// append link and open in app link to footer
+footer.appendChild(link);
+footer.appendChild(openInAppLink);
+
+// append footer to container
+container.appendChild(footer);
diff --git a/extension/chrome/manifest.json b/extension/chrome/manifest.json
new file mode 100644
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--- /dev/null
+++ b/extension/chrome/manifest.json
@@ -0,0 +1,24 @@
+{
+  "manifest_version": 3,
+  "version": "1.0",
+  "name": "Watch on Anix",
+  "content_scripts": [
+    {
+      "matches": [
+        "https://anixart.tv/release/*",
+        "https://anixart.tv/collection/*",
+        "https://anixart.tv/profile/*"
+      ],
+      "js": [
+        "main.js"
+      ]
+    }
+  ],
+  "icons": {
+    "16": "icon-16x16.png",
+    "32": "icon-32x32.png",
+    "48": "icon-48x48.png",
+    "72": "icon-72x72.png",
+    "96": "icon-96x96.png"
+  }
+}
\ No newline at end of file
diff --git a/extension/chrome/watch-on-anix-chrome.zip b/extension/chrome/watch-on-anix-chrome.zip
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diff --git a/extension/firefox/icon-16x16.png b/extension/firefox/icon-16x16.png
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diff --git a/extension/firefox/main.js b/extension/firefox/main.js
new file mode 100644
index 0000000..fc6f3d9
--- /dev/null
+++ b/extension/firefox/main.js
@@ -0,0 +1,30 @@
+// find a container and an open in app link with button
+const container = document.querySelector('div[style="text-align: center;"]');
+const openInAppLink = document.querySelector('a[href^="anixart"');
+const openInAppLinkButton = openInAppLink.querySelector("button");
+openInAppLinkButton.style = "margin-top: 0px !important;"; // disable default button margin
+openInAppLinkButton.classList = "btn btn-secondary"; // change default button from primary to secondary
+
+// create a custom footer
+const footer = document.createElement("div");
+footer.style =
+  "display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; align-items: center; margin-top: 20px;";
+
+// create and set custom link
+const link = document.createElement("a");
+const button = document.createElement("button");
+button.style = "margin-top: 0px !important;";
+button.classList = "btn btn-primary";
+button.textContent = "Открыть в Anix";
+
+const url = new URL(window.location.href);
+const pathname = url.pathname;
+link.href = `https://anix.wah.su${pathname}`;
+link.appendChild(button);
+
+// append link and open in app link to footer
+footer.appendChild(link);
+footer.appendChild(openInAppLink);
+
+// append footer to container
+container.appendChild(footer);
diff --git a/extension/firefox/manifest.json b/extension/firefox/manifest.json
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index 0000000..861b735
--- /dev/null
+++ b/extension/firefox/manifest.json
@@ -0,0 +1,30 @@
+{
+  "manifest_version": 2,
+  "version": "1.1",
+  "name": "Watch on Anix",
+  "description": "Adds a button to watch on Anix.",
+  "browser_specific_settings": {
+    "gecko": {
+      "id": "{8c53d0c2-43ad-4498-b700-290bd2e1030f}"
+    }
+  },
+  "content_scripts": [
+    {
+      "matches": [
+        "https://anixart.tv/release/*",
+        "https://anixart.tv/collection/*",
+        "https://anixart.tv/profile/*"
+      ],
+      "js": [
+        "main.js"
+      ]
+    }
+  ],
+  "icons": {
+    "16": "icon-16x16.png",
+    "32": "icon-32x32.png",
+    "48": "icon-48x48.png",
+    "72": "icon-72x72.png",
+    "96": "icon-96x96.png"
+  }
+}
\ No newline at end of file
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