diff --git a/Chromium (Manifest v3)/android-chrome-192x192.png b/Chromium (Manifest v3)/android-chrome-192x192.png
new file mode 100644
index 0000000..f868ec3
Binary files /dev/null and b/Chromium (Manifest v3)/android-chrome-192x192.png differ
diff --git a/Chromium (Manifest v3)/background.js b/Chromium (Manifest v3)/background.js
new file mode 100644
index 0000000..afff1a7
--- /dev/null
+++ b/Chromium (Manifest v3)/background.js	
@@ -0,0 +1,22 @@
+chrome.action.onClicked.addListener(function (tab) {
+  const input = tab.url;
+  const formattedInput = doubleEncodeURL(input);
+  const link = formattedInput ? `https://www.virustotal.com/gui/search/${formattedInput}` : null;
+
+  if (link) {
+    openInNewTab(link);
+  }
+});
+
+const openInNewTab = (url) => {
+  chrome.tabs.create({ url: url });
+};
+
+const doubleEncodeURL = (input) => {
+  try {
+    const url = new URL(input);
+    return encodeURIComponent(encodeURIComponent(url.href));
+  } catch (error) {
+    return null;
+  }
+};
diff --git a/Chromium (Manifest v3)/favicon-16x16.png b/Chromium (Manifest v3)/favicon-16x16.png
new file mode 100644
index 0000000..7ac0108
Binary files /dev/null and b/Chromium (Manifest v3)/favicon-16x16.png differ
diff --git a/Chromium (Manifest v3)/favicon-32x32.png b/Chromium (Manifest v3)/favicon-32x32.png
new file mode 100644
index 0000000..cf702d1
Binary files /dev/null and b/Chromium (Manifest v3)/favicon-32x32.png differ
diff --git a/Chromium (Manifest v3)/manifest.json b/Chromium (Manifest v3)/manifest.json
new file mode 100644
index 0000000..43385c3
--- /dev/null
+++ b/Chromium (Manifest v3)/manifest.json	
@@ -0,0 +1,17 @@
+{
+  "manifest_version": 3,
+  "name": "VirusTotal Website Security Check",
+  "version": "1.0",
+  "description": "Automatically opens a VirusTotal website scan page on the URL you are visiting right now, in just a click of a button.",
+  "permissions": ["activeTab"],
+  "background": {
+    "service_worker": "background.js"
+  },
+  "action": {
+    "default_icon": {
+      "16": "favicon-16x16.png",
+      "32": "favicon-32x32.png",
+      "192": "android-chrome-192x192.png"
+    }
+  }
+}
diff --git a/Firefox (Manifest v2)/android-chrome-192x192.png b/Firefox (Manifest v2)/android-chrome-192x192.png
new file mode 100644
index 0000000..f868ec3
Binary files /dev/null and b/Firefox (Manifest v2)/android-chrome-192x192.png differ
diff --git a/Firefox (Manifest v2)/background.js b/Firefox (Manifest v2)/background.js
new file mode 100644
index 0000000..6e9da2e
--- /dev/null
+++ b/Firefox (Manifest v2)/background.js	
@@ -0,0 +1,22 @@
+chrome.browserAction.onClicked.addListener(function (tab) {
+  const input = tab.url;
+  const formattedInput = doubleEncodeURL(input);
+  const link = formattedInput ? `https://www.virustotal.com/gui/search/${formattedInput}` : null;
+
+  if (link) {
+    openInNewTab(link);
+  }
+});
+
+const openInNewTab = (url) => {
+  chrome.tabs.create({ url: url });
+};
+
+const doubleEncodeURL = (input) => {
+  try {
+    const url = new URL(input);
+    return encodeURIComponent(encodeURIComponent(url.href));
+  } catch (error) {
+    return null;
+  }
+};
diff --git a/Firefox (Manifest v2)/favicon-16x16.png b/Firefox (Manifest v2)/favicon-16x16.png
new file mode 100644
index 0000000..7ac0108
Binary files /dev/null and b/Firefox (Manifest v2)/favicon-16x16.png differ
diff --git a/Firefox (Manifest v2)/favicon-32x32.png b/Firefox (Manifest v2)/favicon-32x32.png
new file mode 100644
index 0000000..cf702d1
Binary files /dev/null and b/Firefox (Manifest v2)/favicon-32x32.png differ
diff --git a/Firefox (Manifest v2)/manifest.json b/Firefox (Manifest v2)/manifest.json
new file mode 100644
index 0000000..75dbad9
--- /dev/null
+++ b/Firefox (Manifest v2)/manifest.json	
@@ -0,0 +1,23 @@
+{
+  "manifest_version": 2,
+  "name": "VirusTotal Website Security Check",
+  "version": "1.0",
+  "description": "Automatically opens a VirusTotal website scan page on the URL you are visiting right now, in just a click of a button.",
+  "icons": {
+      "16": "favicon-16x16.png",
+      "32": "favicon-32x32.png",
+      "192": "android-chrome-192x192.png"
+  },
+  "permissions": ["activeTab"],
+  "background": {
+    "scripts": ["background.js"],
+    "persistent": false
+  },
+  "browser_action": {
+    "default_icon": {
+      "16": "favicon-16x16.png",
+      "32": "favicon-32x32.png",
+      "192": "android-chrome-192x192.png"
+    }
+  }
+}