diff --git a/browser/components/CodeEditor.js b/browser/components/CodeEditor.js
index fe0b35b1..a761bae7 100644
--- a/browser/components/CodeEditor.js
+++ b/browser/components/CodeEditor.js
@@ -52,7 +52,7 @@ export default class CodeEditor extends React.Component {
       indentUnit: this.props.indentSize,
       tabSize: this.props.indentSize,
       indentWithTabs: this.props.indentType !== 'space',
-      keyMap: 'sublime',
+      keyMap: this.props.keyMap,
       inputStyle: 'textarea',
       extraKeys: {
         Tab: function (cm) {
@@ -102,6 +102,9 @@ export default class CodeEditor extends React.Component {
     if (prevProps.fontFamily !== this.props.fontFamily) {
       needRefresh = true
     }
+    if (prevProps.keyMap !== this.props.keyMap) {
+      needRefresh = true
+    }
 
     if (prevProps.indentSize !== this.props.indentSize) {
       this.editor.setOption('indentUnit', this.props.indentSize)
@@ -194,6 +197,7 @@ CodeEditor.propTypes = {
 CodeEditor.defaultProps = {
   readOnly: false,
   theme: 'xcode',
+  keyMap: 'sublime',
   fontSize: 14,
   fontFamily: 'Monaco, Consolas',
   indentSize: 4,
diff --git a/browser/components/MarkdownEditor.js b/browser/components/MarkdownEditor.js
index 588dcecc..e5041565 100644
--- a/browser/components/MarkdownEditor.js
+++ b/browser/components/MarkdownEditor.js
@@ -166,6 +166,7 @@ class MarkdownEditor extends React.Component {
           mode='GitHub Flavored Markdown'
           value={value}
           theme={config.editor.theme}
+          keyMap={config.editor.keyMap}
           fontFamily={config.editor.fontFamily}
           fontSize={editorFontSize}
           indentType={config.editor.indentType}
@@ -179,6 +180,7 @@ class MarkdownEditor extends React.Component {
           }
           style={previewStyle}
           theme={config.ui.theme}
+          keyMap={config.editor.keyMap}
           fontSize={config.preview.fontSize}
           fontFamily={config.preview.fontFamily}
           codeBlockTheme={config.preview.codeBlockTheme}
diff --git a/browser/main/lib/ConfigManager.js b/browser/main/lib/ConfigManager.js
index 4008b881..4b9b888d 100644
--- a/browser/main/lib/ConfigManager.js
+++ b/browser/main/lib/ConfigManager.js
@@ -25,6 +25,7 @@ export const DEFAULT_CONFIG = {
   },
   editor: {
     theme: 'default',
+    keyMap: 'sublime',
     fontSize: '14',
     fontFamily: 'Monaco, Consolas',
     indentType: 'space',
diff --git a/browser/main/modals/PreferencesModal/UiTab.js b/browser/main/modals/PreferencesModal/UiTab.js
index a4031a90..a5ea8b9e 100644
--- a/browser/main/modals/PreferencesModal/UiTab.js
+++ b/browser/main/modals/PreferencesModal/UiTab.js
@@ -34,7 +34,8 @@ class UiTab extends React.Component {
       fontFamily: this.refs.editorFontFamily.value,
       indentType: this.refs.editorIndentType.value,
       indentSize: this.refs.editorIndentSize.value,
-      switchPreview: this.refs.editorSwitchPreview.value
+      switchPreview: this.refs.editorSwitchPreview.value,
+      keyMap: this.refs.editorKeyMap.value
     }
     config.preview = {
       fontSize: this.refs.previewFontSize.value,
@@ -181,6 +182,22 @@ class UiTab extends React.Component {
               </select>
             </div>
           </div>
+
+          <div styleName='group-section'>
+            <div styleName='group-section-label'>
+              Editor Keymap
+            </div>
+            <div styleName='group-section-control'>
+              <select value={config.editor.keyMap}
+                ref='editorKeyMap'
+                onChange={(e) => this.handleUIChange(e)}
+              >
+                <option value='sublime'>default</option>
+                <option value='vim'>vim</option>
+              </select>
+            </div>
+          </div>
+
           <div styleName='group-header2'>Preview</div>
           <div styleName='group-section'>
             <div styleName='group-section-label'>
diff --git a/lib/finder.html b/lib/finder.html
index cb55fe8b..f8f0cc9c 100644
--- a/lib/finder.html
+++ b/lib/finder.html
@@ -31,6 +31,7 @@
   <script src="../node_modules/codemirror/addon/mode/overlay.js"></script>
   <script src="../node_modules/codemirror/addon/mode/loadmode.js"></script>
   <script src="../node_modules/codemirror/keymap/sublime.js"></script>
+  <script src="../node_modules/codemirror/keymap/vim.js"></script>
   <script src="../node_modules/codemirror/addon/runmode/runmode.js"></script>
 
   <script src="../node_modules/raphael/raphael.min.js"></script>
diff --git a/lib/main.html b/lib/main.html
index 143c1642..36044fe1 100644
--- a/lib/main.html
+++ b/lib/main.html
@@ -57,6 +57,7 @@
   <script src="../node_modules/codemirror/addon/mode/overlay.js"></script>
   <script src="../node_modules/codemirror/addon/mode/loadmode.js"></script>
   <script src="../node_modules/codemirror/keymap/sublime.js"></script>
+  <script src="../node_modules/codemirror/keymap/vim.js"></script>
   <script src="../node_modules/codemirror/addon/runmode/runmode.js"></script>
 
   <script src="../node_modules/codemirror/addon/edit/continuelist.js"></script>