diff --git a/gulpfile.js b/gulpfile.js
index 926d3e9..a3b5b3d 100755
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -26,7 +26,7 @@ const isProduction = process.env.NODE_ENV === 'production';
 const enableContributions =
   (process.env.ENABLE_CONTRIBUTIONS || 'true') === 'true';
 
-const mv3 = ['chrome'].includes(targetEnv);
+const mv3 = ['chrome', 'edge', 'opera'].includes(targetEnv);
 
 const distDir = path.join(__dirname, 'dist', targetEnv);
 
diff --git a/src/assets/manifest/edge.json b/src/assets/manifest/edge.json
index 2d23fae..d03b2f1 100755
--- a/src/assets/manifest/edge.json
+++ b/src/assets/manifest/edge.json
@@ -1,5 +1,5 @@
 {
-  "manifest_version": 2,
+  "manifest_version": 3,
   "name": "__MSG_extensionName__",
   "description": "__MSG_extensionDescription__",
   "version": "0.1.0",
@@ -13,13 +13,18 @@
     "storage",
     "notifications",
     "webRequest",
-    "webRequestBlocking",
+    "declarativeNetRequest",
     "webNavigation",
     "nativeMessaging",
-    "<all_urls>"
+    "offscreen",
+    "scripting"
   ],
 
-  "content_security_policy": "default-src 'self'; style-src 'self' 'unsafe-inline'; img-src * data:; connect-src *; object-src 'none'; frame-ancestors http://127.0.0.1:*;",
+  "host_permissions": ["<all_urls>"],
+
+  "content_security_policy": {
+    "extension_pages": "default-src 'self'; style-src 'self' 'unsafe-inline'; img-src * data:; connect-src *; object-src 'none'; frame-ancestors http://127.0.0.1:*;"
+  },
 
   "icons": {
     "16": "src/assets/icons/app/icon-16.png",
@@ -33,7 +38,7 @@
     "128": "src/assets/icons/app/icon-128.png"
   },
 
-  "browser_action": {
+  "action": {
     "default_icon": {
       "16": "src/assets/icons/app/icon-16.png",
       "19": "src/assets/icons/app/icon-19.png",
@@ -47,6 +52,15 @@
     }
   },
 
+  "options_ui": {
+    "page": "src/options/index.html",
+    "open_in_tab": true
+  },
+
+  "background": {
+    "service_worker": "src/background/script.js"
+  },
+
   "content_scripts": [
     {
       "matches": [
@@ -71,20 +85,16 @@
     }
   ],
 
-  "options_ui": {
-    "page": "src/options/index.html",
-    "chrome_style": false,
-    "open_in_tab": true
-  },
-
-  "background": {
-    "page": "src/background/index.html"
-  },
-
   "web_accessible_resources": [
-    "src/setup/index.html",
-    "src/scripts/reset.js",
-    "src/base/solver-button.css"
+    {
+      "resources": [
+        "src/setup/index.html",
+        "src/scripts/reset.js",
+        "src/base/solver-button.css"
+      ],
+      "matches": ["http://*/*", "https://*/*"],
+      "use_dynamic_url": true
+    }
   ],
 
   "incognito": "split"
diff --git a/src/assets/manifest/opera.json b/src/assets/manifest/opera.json
index 40fd5b9..81cab70 100755
--- a/src/assets/manifest/opera.json
+++ b/src/assets/manifest/opera.json
@@ -1,5 +1,5 @@
 {
-  "manifest_version": 2,
+  "manifest_version": 3,
   "name": "__MSG_extensionName__",
   "description": "__MSG_extensionDescription__",
   "version": "0.1.0",
@@ -13,13 +13,18 @@
     "storage",
     "notifications",
     "webRequest",
-    "webRequestBlocking",
+    "declarativeNetRequest",
     "webNavigation",
     "nativeMessaging",
-    "<all_urls>"
+    "offscreen",
+    "scripting"
   ],
 
-  "content_security_policy": "default-src 'self'; style-src 'self' 'unsafe-inline'; img-src * data:; connect-src *; object-src 'none'; frame-ancestors http://127.0.0.1:*;",
+  "host_permissions": ["<all_urls>"],
+
+  "content_security_policy": {
+    "extension_pages": "default-src 'self'; style-src 'self' 'unsafe-inline'; img-src * data:; connect-src *; object-src 'none'; frame-ancestors http://127.0.0.1:*;"
+  },
 
   "icons": {
     "16": "src/assets/icons/app/icon-16.png",
@@ -33,7 +38,7 @@
     "128": "src/assets/icons/app/icon-128.png"
   },
 
-  "browser_action": {
+  "action": {
     "default_icon": {
       "16": "src/assets/icons/app/icon-16.png",
       "19": "src/assets/icons/app/icon-19.png",
@@ -47,6 +52,15 @@
     }
   },
 
+  "options_ui": {
+    "page": "src/options/index.html",
+    "open_in_tab": true
+  },
+
+  "background": {
+    "service_worker": "src/background/script.js"
+  },
+
   "content_scripts": [
     {
       "matches": [
@@ -71,20 +85,16 @@
     }
   ],
 
-  "options_ui": {
-    "page": "src/options/index.html",
-    "chrome_style": false,
-    "open_in_tab": true
-  },
-
-  "background": {
-    "page": "src/background/index.html"
-  },
-
   "web_accessible_resources": [
-    "src/setup/index.html",
-    "src/scripts/reset.js",
-    "src/base/solver-button.css"
+    {
+      "resources": [
+        "src/setup/index.html",
+        "src/scripts/reset.js",
+        "src/base/solver-button.css"
+      ],
+      "matches": ["http://*/*", "https://*/*"],
+      "use_dynamic_url": true
+    }
   ],
 
   "incognito": "split"
diff --git a/webpack.config.js b/webpack.config.js
index cfc22e8..fd5f8f3 100755
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -14,7 +14,7 @@ const isProduction = process.env.NODE_ENV === 'production';
 const enableContributions =
   (process.env.ENABLE_CONTRIBUTIONS || 'true') === 'true';
 
-const mv3 = ['chrome'].includes(targetEnv);
+const mv3 = ['chrome', 'edge', 'opera'].includes(targetEnv);
 
 const provideExtApi = !['firefox', 'safari'].includes(targetEnv);