diff --git a/index.js b/index.js
index 873179a..1d84a47 100644
--- a/index.js
+++ b/index.js
@@ -16,7 +16,7 @@ emojify.setConfig({
 
 var md = markdownit({
         html: true,
-        highlight: function(code, lang) {
+        highlight: function (code, lang) {
             if (languageOverrides[lang]) lang = languageOverrides[lang];
             if (lang && hljs.getLanguage(lang)) {
                 try {
@@ -52,7 +52,7 @@ function update(e) {
 }
 
 function setOutput(val) {
-    val = val.replace(/<equation>((.*?\n)*?.*?)<\/equation>/ig, function(a, b) {
+    val = val.replace(/<equation>((.*?\n)*?.*?)<\/equation>/ig, function (a, b) {
         return '<img src="http://latex.codecogs.com/png.latex?' + encodeURIComponent(b) + '" />';
     });
 
@@ -93,11 +93,11 @@ var editor = CodeMirror.fromTextArea(document.getElementById('code'), {
 
 editor.on('change', update);
 
-function selectionChanger(selection,operator,endoperator){
-    if(selection == ""){
+function selectionChanger(selection, operator, endoperator) {
+    if (selection == "") {
         return operator;
     }
-    if(!endoperator){
+    if (!endoperator) {
         endoperator = operator
     }
     var isApplied = selection.slice(0, 2) === operator && seisAppliedection.slice(-2) === endoperator;
@@ -107,29 +107,129 @@ function selectionChanger(selection,operator,endoperator){
 
 editor.addKeyMap({
     // bold
-    'Ctrl-B': function(cm) {
-        cm.replaceSelection(selectionChanger(cm.getSelection(),'**'));
+    'Ctrl-B': function (cm) {
+        var selection = cm.getSelection();
+        cm.replaceSelection(selectionChanger(cm.getSelection(), '**'));
     },
     // italic
-    'Ctrl-I': function(cm) {
-        cm.replaceSelection(selectionChanger(cm.getSelection(),'_'));
+    'Ctrl-I': function (cm) {
+        var selection = cm.getSelection();
+        cm.replaceSelection('_' + selection + '_');
+        if (!selection) {
+            var cursorPos = cm.getCursor();
+            cm.setCursor(cursorPos.line, cursorPos.ch - 1);
+        }
     },
     // code
-    'Ctrl-K': function(cm) {
-        cm.replaceSelection(selectionChanger(cm.getSelection(),'`'));
+    'Ctrl-K': function (cm) {
+        var selection = cm.getSelection();
+        cm.replaceSelection('`' + selection + '`');
+        if (!selection) {
+            var cursorPos = cm.getCursor();
+            cm.setCursor(cursorPos.line, cursorPos.ch - 1);
+        }
     },
     // keyboard shortcut
-    'Ctrl-L': function(cm) {
-        cm.replaceSelection(selectionChanger(cm.getSelection(),'<kbd>','</kbd>'));
-    }
+    'Ctrl-L': function (cm) {
+        cm.replaceSelection(selectionChanger(cm.getSelection(), '<kbd>', '</kbd>'));
+    },
+    //Heading 1
+    'Ctrl-Alt-1': function (cm) {
+        cm.replaceSelection('# ' + cm.getSelection());
+    },
+    //Heading 2
+    'Ctrl-Alt-2': function (cm) {
+        cm.replaceSelection('## ' + cm.getSelection());
+    },
+    //Heading 3
+    'Ctrl-Alt-3': function (cm) {
+        cm.replaceSelection('### ' + cm.getSelection());
+    },
+    //Heading 4
+    'Ctrl-Alt-4': function (cm) {
+        cm.replaceSelection('#### ' + cm.getSelection());
+    },
+    //Heading 5
+    'Ctrl-Alt-5': function (cm) {
+        cm.replaceSelection('##### ' + cm.getSelection());
+    },
+    //Heading 6
+    'Ctrl-Alt-6': function (cm) {
+        cm.replaceSelection('###### ' + cm.getSelection());
+    },
+    // Links
+    'Shift-Ctrl-L': function (cm) {
+        var selection = cm.getSelection();
+        var text = '';
+        var link = '';
+
+        if (selection.match(/^https?:\/\//)) {
+            link = selection;
+        } else {
+            text = selection;
+        }
+        cm.replaceSelection('[' + text + '](' + link + ')');
+
+        var cursorPos = cm.getCursor();
+        if (!selection) {
+            cm.setCursor(cursorPos.line, cursorPos.ch - 3);
+        } else if (link) {
+            cm.setCursor(cursorPos.line, cursorPos.ch - (3 + link.length));
+        } else {
+            cm.setCursor(cursorPos.line, cursorPos.ch - 1);
+        }
+    },
+    // Insert Image
+    'Shift-Ctrl-I': function (cm) {
+        var selection = cm.getSelection();
+        var text = '';
+        var link = '';
+
+        if (selection.match(/^https?:\/\//)) {
+            link = selection;
+        } else {
+            text = selection;
+        }
+        cm.replaceSelection('![' + text + '](' + link + ')');
+
+        var cursorPos = cm.getCursor();
+        if (!selection) {
+            cm.setCursor(cursorPos.line, cursorPos.ch - 3);
+        } else if (link) {
+            cm.setCursor(cursorPos.line, cursorPos.ch - (3 + link.length));
+        } else {
+            cm.setCursor(cursorPos.line, cursorPos.ch - 1);
+        }
+    },
+    //Unordered list
+    'Shift-U': function (cm) {
+        cm.replaceSelection('* ' + cm.getSelection());
+    },
+    //Ordered list
+    'Shift-O': function (cm) {
+        cm.replaceSelection('1. ' + cm.getSelection());
+    },
+    //Blockquote
+    'Shift-Ctrl-.': function (cm) {
+        cm.replaceSelection('> ' + cm.getSelection());
+    },
+    //codeblock
+    "Shift-Ctrl-'": function (cm) {
+        var selection = cm.getSelection();
+        cm.replaceSelection('```javascript' + '\n' + selection + '\n' + '```');
+        if (!selection) {
+            var cursorPos = cm.getCursor();
+            cm.setCursor(cursorPos.line - 1, cursorPos.ch);
+        }
+    },
 });
 
-document.addEventListener('drop', function(e) {
+document.addEventListener('drop', function (e) {
     e.preventDefault();
     e.stopPropagation();
 
     var reader = new FileReader();
-    reader.onload = function(e) {
+    reader.onload = function (e) {
         editor.setValue(e.target.result);
     };
 
@@ -146,12 +246,12 @@ function saveAsHtml() {
     save(document.getElementById('out').innerHTML, document.title.replace(/[`~!@#$%^&*()_|+\-=?;:'",.<>\{\}\[\]\\\/\s]/gi, '') + ".html");
 }
 
-document.getElementById('saveas-markdown').addEventListener('click', function() {
+document.getElementById('saveas-markdown').addEventListener('click', function () {
     saveAsMarkdown();
     hideMenu();
 });
 
-document.getElementById('saveas-html').addEventListener('click', function() {
+document.getElementById('saveas-html').addEventListener('click', function () {
     saveAsHtml();
     hideMenu();
 });
@@ -193,7 +293,7 @@ function openFile(evt) {
         var files = evt.target.files;
         console.log(files);
         var reader = new FileReader();
-        reader.onload = function(file) {
+        reader.onload = function (file) {
             console.log(file.target.result);
             editor.setValue(file.target.result);
             return true;
@@ -205,13 +305,13 @@ function openFile(evt) {
     }
 }
 
-document.getElementById('close-menu').addEventListener('click', function() {
+document.getElementById('close-menu').addEventListener('click', function () {
     hideMenu();
 });
 
-document.addEventListener('keydown', function(e) {
+document.addEventListener('keydown', function (e) {
     if (e.keyCode == 83 && (e.ctrlKey || e.metaKey)) {
-        if ( localStorage.getItem('content') == editor.getValue() ) {
+        if (localStorage.getItem('content') == editor.getValue()) {
             e.preventDefault();
             return false;
         }
@@ -245,7 +345,7 @@ function saveInBrowser() {
                 confirmButtonText: "Yes, overwrite!",
                 closeOnConfirm: false
             },
-            function() {
+            function () {
                 localStorage.setItem('content', text);
                 swal("Saved", "Your Document has been saved.", "success");
             });
@@ -289,7 +389,7 @@ function processQueryParams() {
     }
     if (params) {
         var obj = {};
-        params.split('&').forEach(function(elem) {
+        params.split('&').forEach(function (elem) {
             obj[elem.split('=')[0]] = elem.split('=')[1];
         });
         if (obj.reading === 'false') {
@@ -328,8 +428,8 @@ function start() {
 }
 
 window.addEventListener("beforeunload", function (e) {
-    var confirmationMessage = 'It looks like you have been editing something. '
-                            + 'If you leave before saving, your changes will be lost.';
+    var confirmationMessage = 'It looks like you have been editing something. ' +
+        'If you leave before saving, your changes will be lost.';
     (e || window.event).returnValue = confirmationMessage; //Gecko + IE
     return confirmationMessage; //Gecko + Webkit, Safari, Chrome etc.
 });