diff --git a/windows/kinto.ahk b/windows/kinto.ahk
index 689d721..b779486 100644
--- a/windows/kinto.ahk
+++ b/windows/kinto.ahk
@@ -445,8 +445,21 @@ GroupAdd, intellij, ahk_exe idea64.exe
     #IfWinActive ahk_group browsers
         ^q::send {Alt Down}f{Alt Up}x   ; exit all windows
         ; Dev Tools
-        #^i::send {Ctrl Down}{Shift Down}i{Shift Up}{Ctrl Up}
-        #^j::send {Ctrl Down}{Shift Down}j{Shift Up}{Ctrl Up}
+        !^i::send {Ctrl Down}{Shift Down}i{Shift Up}{Ctrl Up}
+        !^j::send {Ctrl Down}{Shift Down}j{Shift Up}{Ctrl Up}
+        ; Open preferences
+        #IfWinActive ahk_exe firefox.exe
+            ^,::send, {Ctrl Down}t{Ctrl Up}about:preferences{Enter}
+        #If
+        #IfWinActive ahk_exe chrome.exe
+            ^,::send {Alt Down}e{Alt Up}s{Enter}
+        #If
+        #IfWinActive ahk_exe msedge.exe
+            ^,::send {Alt Down}e{Alt Up}s{Enter}
+        #If
+        #IfWinActive ahk_exe opera.exe
+            ^,::send {Ctrl Down}{F12}{Ctrl Up}
+        #If
     #If
 
     ; Sublime Text Remaps for VS Code
diff --git a/xkeysnail-config/kinto.py b/xkeysnail-config/kinto.py
index 29456fd..0c5526f 100644
--- a/xkeysnail-config/kinto.py
+++ b/xkeysnail-config/kinto.py
@@ -16,6 +16,14 @@ browsers = ["Chromium","Chromium-browser","Google-chrome","microsoft-edge-dev","
 browsers = [browser.casefold() for browser in browsers]
 browserStr = "|".join(str(x) for x in browsers)
 
+chromes = ["Chromium","Chromium-browser","Google-chrome","microsoft-edge-dev","microsoft-edge"]
+chromes = [chrome.casefold() for chrome in chromes]
+chromeStr = "|".join(str(x) for x in chromes)
+
+# edges = ["microsoft-edge-dev","microsoft-edge"]
+# edges = [edge.casefold() for edge in edges]
+# edgeStr = "|".join(str(x) for x in edges)
+
 mscodes = ["code","vscodium"]
 codeStr = "|".join(str(x) for x in mscodes)
 
@@ -198,11 +206,20 @@ define_keymap(re.compile("org.gnome.nautilus", re.IGNORECASE),{
 
 # Keybindings for Browsers
 define_keymap(re.compile(browserStr, re.IGNORECASE),{
-    K("RC-Q"): K("RC-Q"),               # Close all browsers Instances
-    K("Super-RC-I"): K("RC-Shift-I"),   # Dev tools
-    K("Super-RC-J"): K("RC-Shift-J"),   # Dev tools
+    K("RC-Q"): K("RC-Q"),           # Close all browsers Instances
+    K("M-RC-I"): K("RC-Shift-I"),   # Dev tools
+    K("M-RC-J"): K("RC-Shift-J"),   # Dev tools
 })
 
+# Open preferences in browsers
+define_keymap(re.compile("Firefox", re.IGNORECASE),{
+    K("C-comma"): [K("C-T"),K("a"),K("b"),K("o"),K("u"),K("t"),K("Shift-SEMICOLON"),K("p"),K("r"),K("e"),K("f"),K("e"),K("r"),K("e"),K("n"),K("c"),K("e"),K("s"),K("Enter")],
+})
+define_keymap(re.compile(chromeStr, re.IGNORECASE),{
+    K("C-comma"): [K("M-e"), K("s"),K("Enter")],
+})
+# Opera C-F12
+
 define_keymap(None,{
     K("RC-Space"): K("Alt-F1"),                   # Default SL - Launch Application Menu (gnome/kde)
     K("RC-F3"):K("Super-d"),                      # Default SL - Show Desktop (gnome/kde,eos)