Change the search

browser/components/search/extensions/ddg/manifest.json

@@ -0,0 +1,60 @@
+{
+  "name": "DuckDuckGo",
+  "description": "Search DuckDuckGo",
+  "manifest_version": 2,
+  "version": "1.0",
+  "applications": {
+    "gecko": {
+      "id": "[email protected]"
+    }
+  },
+  "hidden": true,
+  "icons": {
+    "16": "favicon.ico"
+  },
+  "web_accessible_resources": [
+    "favicon.ico"
+  ],
+  "chrome_settings_overrides": {
+    "search_provider": {
+      "name": "DuckDuckGo",
+      "search_url": "https://duckduckgo.com/",
+      "search_form": "https://duckduckgo.com/?q={searchTerms}",
+      "search_url_get_params": "q={searchTerms}",
+      "params": [
+        {
+          "name": "t",
+          "condition": "purpose",
+          "purpose": "contextmenu",
+          "value": "ffcm"
+        },
+        {
+          "name": "t",
+          "condition": "purpose",
+          "purpose": "keyword",
+          "value": "ffab"
+        },
+        {
+          "name": "t",
+          "condition": "purpose",
+          "purpose": "searchbar",
+          "value": "ffsb"
+        },
+        {
+          "name": "t",
+          "condition": "purpose",
+          "purpose": "homepage",
+          "value": "ffhp"
+        },
+        {
+          "name": "t",
+          "condition": "purpose",
+          "purpose": "newtab",
+          "value": "ffnt"
+        }
+      ],
+      "suggest_url": "https://ac.duckduckgo.com/ac/",
+      "suggest_url_get_params": "q={searchTerms}&type=list"
+    }
+  }
+}

browser/components/search/extensions/list.json

@@ -1,9 +1,9 @@
 {
   "default": {
-    "searchDefault": "Qwant",
-    "searchOrder": ["Qwant", "Brave"],
+    "searchDefault": "Brave",
+    "searchOrder": ["Brave", "Qwant"],
     "visibleDefaultEngines": [
-      "brave", "mojeek","qwant", "stp"
+      "brave", "mojeek","qwant","ddg"
     ]
   }
 }