diff --git a/_locales/en/messages.json b/_locales/en/messages.json
index c66fe245..1b9a8fd5 100644
--- a/_locales/en/messages.json
+++ b/_locales/en/messages.json
@@ -213,6 +213,9 @@
         "message": "The firmware on this device needs upgrading to a newer version. Use CLI for backup before flashing. CLI backup/restore procedure is in the documention.<br />Alternatively download and use an old version of the configurator if you are not ready to upgrade."
     },
 
+    "infoVersions": {
+        "message" : "Running - OS: <strong>$1</strong>, Chrome: <strong>$2</strong>, Configurator: <strong>$3</strong>"
+    },
     "tabSwitchConnectionRequired": {
         "message": "You need to <strong>connect</strong> before you can view any of the tabs."
     },
@@ -1676,7 +1679,7 @@
         "message": "Sonar - cm"
     },
     "sensorsDebugTitle": {
-        "message": "Debug 0"
+        "message": "Debug"
     },
 
     "cliInfo": {
@@ -2001,6 +2004,21 @@
     "firmwareFlasherFailedToLoadOnlineFirmware": {
         "message": "Failed to load remote firmware"
     },
+    "firmwareFlasherNoFirmwareSelected": {
+        "message": "<b>No firmware selected to load</b>"
+    },
+    "firmwareFlasherNoValidPort": {
+        "message": "<span class=\"message-negative\">Please select valid serial port</span>"
+    },
+    "firmwareFlasherWritePermissions": {
+        "message": "You don't have <span class=\"message-negative\">write permissions</span> for this file"
+    },
+    "firmwareFlasherFlashTrigger": {
+        "message": "Detected: <strong>$1</strong> - triggering flash on connect"
+    },
+    "firmwareFlasherPreviousDevice": {
+        "message": "Detected: <strong>$1</strong> - previous device still flashing, please replug to try again"
+    },
 
     "ledStripHelp": {
         "message": "The flight controller can control colors and effects of individual LEDs on a strip.<br />Configure LEDs on the grid, configure wiring order then attach LEDs on your aircraft according to grid positions. LEDs without wire ordering number will not be saved.<br />Double-click on a color to edit the HSV values."
@@ -2879,6 +2897,12 @@
     "osdSectionHelpWarnings": {
         "message": "Enable or disable warnings that are shown on the WARNINGS element."
     },
+    "osdSettingsSaved": {
+        "message": "OSD settings saved"
+    },
+    "osdWritePermissions": {
+        "message": "You don't have <span class=\"message-negative\">write permissions</span> for this file"
+    },
 
     "mainHelpArmed": {
         "message": "Motor Arming"
diff --git a/main.js b/main.js
index 3e602623..6fb4b0ff 100644
--- a/main.js
+++ b/main.js
@@ -21,9 +21,7 @@ $(document).ready(function () {
     localize();
 
     // alternative - window.navigator.appVersion.match(/Chrome\/([0-9.]*)/)[1];
-    GUI.log('Running - OS: <strong>' + GUI.operating_system + '</strong>, ' +
-        'Chrome: <strong>' + window.navigator.appVersion.replace(/.*Chrome\/([0-9.]*).*/, "$1") + '</strong>, ' +
-        'Configurator: <strong>' + getManifestVersion() + '</strong>');
+    GUI.log(chrome.i18n.getMessage('infoVersions',[GUI.operating_system, window.navigator.appVersion.replace(/.*Chrome\/([0-9.]*).*/, "$1"), getManifestVersion()]));
 
     $('#logo .version').text(getManifestVersion());
     updateStatusBarVersion();
diff --git a/tabs/firmware_flasher.js b/tabs/firmware_flasher.js
index 7e01c585..62f0298e 100755
--- a/tabs/firmware_flasher.js
+++ b/tabs/firmware_flasher.js
@@ -237,7 +237,7 @@ TABS.firmware_flasher.initialize = function (callback) {
         $('a.load_remote_file').click(function (evt) {
 
             if ($('select[name="firmware_version"]').val() == "0") {
-                GUI.log("<b>No firmware selected to load</b>");
+                GUI.log(chrome.i18n.getMessage('firmwareFlasherNoFirmwareSelected'));
                 return;
             }
 
@@ -322,7 +322,7 @@ TABS.firmware_flasher.initialize = function (callback) {
                                 STM32.connect(port, baud, parsed_hex, options);
                             } else {
                                 console.log('Please select valid serial port');
-                                GUI.log('<span style="color: red">Please select valid serial port</span>');
+                                GUI.log(chrome.i18n.getMessage('firmwareFlasherNoValidPort'));
                             }
                         } else {
                             STM32DFU.connect(usbDevices.STM32DFU, parsed_hex, options);
@@ -373,7 +373,7 @@ TABS.firmware_flasher.initialize = function (callback) {
                             });
                         } else {
                             console.log('You don\'t have write permissions for this file, sorry.');
-                            GUI.log('You don\'t have <span style="color: red">write permissions</span> for this file');
+                            GUI.log(chrome.i18n.getMessage('firmwareFlasherWritePermissions'));
                         }
                     });
                 });
@@ -442,7 +442,7 @@ TABS.firmware_flasher.initialize = function (callback) {
                         var port = result[0];
 
                         if (!GUI.connect_lock) {
-                            GUI.log('Detected: <strong>' + port + '</strong> - triggering flash on connect');
+                            GUI.log(chrome.i18n.getMessage('firmwareFlasherFlashTrigger', [port]));
                             console.log('Detected: ' + port + ' - triggering flash on connect');
 
                             // Trigger regular Flashing sequence
@@ -450,7 +450,7 @@ TABS.firmware_flasher.initialize = function (callback) {
                                 $('a.flash_firmware').click();
                             }, 100); // timeout so bus have time to initialize after being detected by the system
                         } else {
-                            GUI.log('Detected <strong>' + port + '</strong> - previous device still flashing, please replug to try again');
+                            GUI.log(chrome.i18n.getMessage('firmwareFlasherPreviousDevice', [port]));
                         }
 
                         // Since current port_detected request was consumed, create new one
diff --git a/tabs/landing.html b/tabs/landing.html
index 3eb94754..7cfd3f34 100644
--- a/tabs/landing.html
+++ b/tabs/landing.html
@@ -39,7 +39,7 @@
     </div>
     <div id="changelog">
         <div class="button">
-            <a id="changelog_toggle" href="#">Changelog</a>
+            <a id="changelog_toggle" href="#" i18n="defaultChangelogAction"></a>
         </div>
         <div class="wrapper">
             <div class="title" i18n="defaultChangelogHead"></div>
diff --git a/tabs/osd.js b/tabs/osd.js
index f60b03ac..badc9984 100755
--- a/tabs/osd.js
+++ b/tabs/osd.js
@@ -1653,7 +1653,7 @@ TABS.osd.initialize = function (callback) {
         $('a.save').click(function() {
           var self = this;
           MSP.promise(MSPCodes.MSP_EEPROM_WRITE);
-          GUI.log('OSD settings saved');
+          GUI.log(chrome.i18n.getMessage('osdSettingsSaved'));
           var oldText = $(this).text();
           $(this).html("Saved");
           setTimeout(function () {
@@ -1761,7 +1761,7 @@ TABS.osd.initialize = function (callback) {
                             });
                         } else {
                             console.log('You don\'t have write permissions for this file, sorry.');
-                            GUI.log('You don\'t have <span style="color: red">write permissions</span> for this file');
+                            GUI.log(chrome.i18n.getMessage('osdWritePermissions'));
                         }
                     });
                 });