diff --git a/src/shared/SettingData.ts b/src/shared/SettingData.ts
index c28a5dd..b19a756 100644
--- a/src/shared/SettingData.ts
+++ b/src/shared/SettingData.ts
@@ -1,5 +1,5 @@
 import * as operations from './operations';
-import Settings from './settings/Settings';
+import Settings, { DefaultSettingJSONText } from './settings/Settings';
 import Keymaps from './settings/Keymaps';
 import Search from './settings/Search';
 import Properties from './settings/Properties';
@@ -336,88 +336,5 @@ export default class SettingData {
 
 export const DefaultSettingData: SettingData = SettingData.valueOf({
   source: 'json',
-  json: `{
-  "keymaps": {
-    "0": { "type": "scroll.home" },
-    ":": { "type": "command.show" },
-    "o": { "type": "command.show.open", "alter": false },
-    "O": { "type": "command.show.open", "alter": true },
-    "t": { "type": "command.show.tabopen", "alter": false },
-    "T": { "type": "command.show.tabopen", "alter": true },
-    "w": { "type": "command.show.winopen", "alter": false },
-    "W": { "type": "command.show.winopen", "alter": true },
-    "b": { "type": "command.show.buffer" },
-    "a": { "type": "command.show.addbookmark", "alter": true },
-    "k": { "type": "scroll.vertically", "count": -1 },
-    "j": { "type": "scroll.vertically", "count": 1 },
-    "h": { "type": "scroll.horizonally", "count": -1 },
-    "l": { "type": "scroll.horizonally", "count": 1 },
-    "<C-U>": { "type": "scroll.pages", "count": -0.5 },
-    "<C-D>": { "type": "scroll.pages", "count": 0.5 },
-    "<C-B>": { "type": "scroll.pages", "count": -1 },
-    "<C-F>": { "type": "scroll.pages", "count": 1 },
-    "gg": { "type": "scroll.top" },
-    "G": { "type": "scroll.bottom" },
-    "$": { "type": "scroll.end" },
-    "d": { "type": "tabs.close" },
-    "D": { "type": "tabs.close", "select": "left" },
-    "x$": { "type": "tabs.close.right" },
-    "!d": { "type": "tabs.close.force" },
-    "u": { "type": "tabs.reopen" },
-    "K": { "type": "tabs.prev" },
-    "J": { "type": "tabs.next" },
-    "gT": { "type": "tabs.prev" },
-    "gt": { "type": "tabs.next" },
-    "g0": { "type": "tabs.first" },
-    "g$": { "type": "tabs.last" },
-    "<C-6>": { "type": "tabs.prevsel" },
-    "r": { "type": "tabs.reload", "cache": false },
-    "R": { "type": "tabs.reload", "cache": true },
-    "zp": { "type": "tabs.pin.toggle" },
-    "zd": { "type": "tabs.duplicate" },
-    "zi": { "type": "zoom.in" },
-    "zo": { "type": "zoom.out" },
-    "zz": { "type": "zoom.neutral" },
-    "f": { "type": "follow.start", "newTab": false },
-    "F": { "type": "follow.start", "newTab": true, "background": false },
-    "m": { "type": "mark.set.prefix" },
-    "'": { "type": "mark.jump.prefix" },
-    "H": { "type": "navigate.history.prev" },
-    "L": { "type": "navigate.history.next" },
-    "[[": { "type": "navigate.link.prev" },
-    "]]": { "type": "navigate.link.next" },
-    "gu": { "type": "navigate.parent" },
-    "gU": { "type": "navigate.root" },
-    "gi": { "type": "focus.input" },
-    "gf": { "type": "page.source" },
-    "gh": { "type": "page.home" },
-    "gH": { "type": "page.home", "newTab": true },
-    "y": { "type": "urls.yank" },
-    "p": { "type": "urls.paste", "newTab": false },
-    "P": { "type": "urls.paste", "newTab": true },
-    "/": { "type": "find.start" },
-    "n": { "type": "find.next" },
-    "N": { "type": "find.prev" },
-    ".": { "type": "repeat.last" },
-    "<S-Esc>": { "type": "addon.toggle.enabled" }
-  },
-  "search": {
-    "default": "google",
-    "engines": {
-      "google": "https://google.com/search?q={}",
-      "yahoo": "https://search.yahoo.com/search?p={}",
-      "bing": "https://www.bing.com/search?q={}",
-      "duckduckgo": "https://duckduckgo.com/?q={}",
-      "twitter": "https://twitter.com/search?q={}",
-      "wikipedia": "https://en.wikipedia.org/w/index.php?search={}"
-    }
-  },
-  "properties": {
-    "hintchars": "abcdefghijklmnopqrstuvwxyz",
-    "smoothscroll": false,
-    "complete": "sbh"
-  },
-  "blacklist": [
-  ]
-}`,
+  json: DefaultSettingJSONText,
 });
diff --git a/src/shared/settings/Settings.ts b/src/shared/settings/Settings.ts
index 116c7d7..2c9e37f 100644
--- a/src/shared/settings/Settings.ts
+++ b/src/shared/settings/Settings.ts
@@ -69,86 +69,90 @@ export default class Settings {
   }
 }
 
-export const DefaultSetting: Settings = Settings.fromJSON({
-  keymaps: {
-    '0': { 'type': 'scroll.home' },
-    ':': { 'type': 'command.show' },
-    'o': { 'type': 'command.show.open', 'alter': false },
-    'O': { 'type': 'command.show.open', 'alter': true },
-    't': { 'type': 'command.show.tabopen', 'alter': false },
-    'T': { 'type': 'command.show.tabopen', 'alter': true },
-    'w': { 'type': 'command.show.winopen', 'alter': false },
-    'W': { 'type': 'command.show.winopen', 'alter': true },
-    'b': { 'type': 'command.show.buffer' },
-    'a': { 'type': 'command.show.addbookmark', 'alter': true },
-    'k': { 'type': 'scroll.vertically', 'count': -1 },
-    'j': { 'type': 'scroll.vertically', 'count': 1 },
-    'h': { 'type': 'scroll.horizonally', 'count': -1 },
-    'l': { 'type': 'scroll.horizonally', 'count': 1 },
-    '<C-U>': { 'type': 'scroll.pages', 'count': -0.5 },
-    '<C-D>': { 'type': 'scroll.pages', 'count': 0.5 },
-    '<C-B>': { 'type': 'scroll.pages', 'count': -1 },
-    '<C-F>': { 'type': 'scroll.pages', 'count': 1 },
-    'gg': { 'type': 'scroll.top' },
-    'G': { 'type': 'scroll.bottom' },
-    '$': { 'type': 'scroll.end' },
-    'd': { 'type': 'tabs.close' },
-    'D': { 'type': 'tabs.close', 'select': 'left' },
-    'x$': { 'type': 'tabs.close.right' },
-    '!d': { 'type': 'tabs.close.force' },
-    'u': { 'type': 'tabs.reopen' },
-    'K': { 'type': 'tabs.prev' },
-    'J': { 'type': 'tabs.next' },
-    'gT': { 'type': 'tabs.prev' },
-    'gt': { 'type': 'tabs.next' },
-    'g0': { 'type': 'tabs.first' },
-    'g$': { 'type': 'tabs.last' },
-    '<C-6>': { 'type': 'tabs.prevsel' },
-    'r': { 'type': 'tabs.reload', 'cache': false },
-    'R': { 'type': 'tabs.reload', 'cache': true },
-    'zp': { 'type': 'tabs.pin.toggle' },
-    'zd': { 'type': 'tabs.duplicate' },
-    'zi': { 'type': 'zoom.in' },
-    'zo': { 'type': 'zoom.out' },
-    'zz': { 'type': 'zoom.neutral' },
-    'f': { 'type': 'follow.start', 'newTab': false, 'background': false },
-    'F': { 'type': 'follow.start', 'newTab': true, 'background': false },
-    'm': { 'type': 'mark.set.prefix' },
-    '\'': { 'type': 'mark.jump.prefix' },
-    'H': { 'type': 'navigate.history.prev' },
-    'L': { 'type': 'navigate.history.next' },
-    '[[': { 'type': 'navigate.link.prev' },
-    ']]': { 'type': 'navigate.link.next' },
-    'gu': { 'type': 'navigate.parent' },
-    'gU': { 'type': 'navigate.root' },
-    'gi': { 'type': 'focus.input' },
-    'gf': { 'type': 'page.source' },
-    'gh': { 'type': 'page.home', 'newTab': false },
-    'gH': { 'type': 'page.home', 'newTab': true },
-    'y': { 'type': 'urls.yank' },
-    'p': { 'type': 'urls.paste', 'newTab': false },
-    'P': { 'type': 'urls.paste', 'newTab': true },
-    '/': { 'type': 'find.start' },
-    'n': { 'type': 'find.next' },
-    'N': { 'type': 'find.prev' },
-    '.': { 'type': 'repeat.last' },
-    '<S-Esc>': { 'type': 'addon.toggle.enabled' }
+export const DefaultSettingJSONText = `{
+  "keymaps": {
+    "0": { "type": "scroll.home" },
+    ":": { "type": "command.show" },
+    "o": { "type": "command.show.open", "alter": false },
+    "O": { "type": "command.show.open", "alter": true },
+    "t": { "type": "command.show.tabopen", "alter": false },
+    "T": { "type": "command.show.tabopen", "alter": true },
+    "w": { "type": "command.show.winopen", "alter": false },
+    "W": { "type": "command.show.winopen", "alter": true },
+    "b": { "type": "command.show.buffer" },
+    "a": { "type": "command.show.addbookmark", "alter": true },
+    "k": { "type": "scroll.vertically", "count": -1 },
+    "j": { "type": "scroll.vertically", "count": 1 },
+    "h": { "type": "scroll.horizonally", "count": -1 },
+    "l": { "type": "scroll.horizonally", "count": 1 },
+    "<C-U>": { "type": "scroll.pages", "count": -0.5 },
+    "<C-D>": { "type": "scroll.pages", "count": 0.5 },
+    "<C-B>": { "type": "scroll.pages", "count": -1 },
+    "<C-F>": { "type": "scroll.pages", "count": 1 },
+    "gg": { "type": "scroll.top" },
+    "G": { "type": "scroll.bottom" },
+    "$": { "type": "scroll.end" },
+    "d": { "type": "tabs.close" },
+    "D": { "type": "tabs.close", "select": "left" },
+    "x$": { "type": "tabs.close.right" },
+    "!d": { "type": "tabs.close.force" },
+    "u": { "type": "tabs.reopen" },
+    "K": { "type": "tabs.prev" },
+    "J": { "type": "tabs.next" },
+    "gT": { "type": "tabs.prev" },
+    "gt": { "type": "tabs.next" },
+    "g0": { "type": "tabs.first" },
+    "g$": { "type": "tabs.last" },
+    "<C-6>": { "type": "tabs.prevsel" },
+    "r": { "type": "tabs.reload", "cache": false },
+    "R": { "type": "tabs.reload", "cache": true },
+    "zp": { "type": "tabs.pin.toggle" },
+    "zd": { "type": "tabs.duplicate" },
+    "zi": { "type": "zoom.in" },
+    "zo": { "type": "zoom.out" },
+    "zz": { "type": "zoom.neutral" },
+    "f": { "type": "follow.start", "newTab": false },
+    "F": { "type": "follow.start", "newTab": true, "background": false },
+    "m": { "type": "mark.set.prefix" },
+    "'": { "type": "mark.jump.prefix" },
+    "H": { "type": "navigate.history.prev" },
+    "L": { "type": "navigate.history.next" },
+    "[[": { "type": "navigate.link.prev" },
+    "]]": { "type": "navigate.link.next" },
+    "gu": { "type": "navigate.parent" },
+    "gU": { "type": "navigate.root" },
+    "gi": { "type": "focus.input" },
+    "gf": { "type": "page.source" },
+    "gh": { "type": "page.home" },
+    "gH": { "type": "page.home", "newTab": true },
+    "y": { "type": "urls.yank" },
+    "p": { "type": "urls.paste", "newTab": false },
+    "P": { "type": "urls.paste", "newTab": true },
+    "/": { "type": "find.start" },
+    "n": { "type": "find.next" },
+    "N": { "type": "find.prev" },
+    ".": { "type": "repeat.last" },
+    "<S-Esc>": { "type": "addon.toggle.enabled" }
   },
-  search: {
-    default: 'google',
-    engines: {
-      'google': 'https://google.com/search?q={}',
-      'yahoo': 'https://search.yahoo.com/search?p={}',
-      'bing': 'https://www.bing.com/search?q={}',
-      'duckduckgo': 'https://duckduckgo.com/?q={}',
-      'twitter': 'https://twitter.com/search?q={}',
-      'wikipedia': 'https://en.wikipedia.org/w/index.php?search={}'
+  "search": {
+    "default": "google",
+    "engines": {
+      "google": "https://google.com/search?q={}",
+      "yahoo": "https://search.yahoo.com/search?p={}",
+      "bing": "https://www.bing.com/search?q={}",
+      "duckduckgo": "https://duckduckgo.com/?q={}",
+      "twitter": "https://twitter.com/search?q={}",
+      "wikipedia": "https://en.wikipedia.org/w/index.php?search={}"
     }
   },
-  properties: {
-    hintchars: 'abcdefghijklmnopqrstuvwxyz',
-    smoothscroll: false,
-    complete: 'sbh'
+  "properties": {
+    "hintchars": "abcdefghijklmnopqrstuvwxyz",
+    "smoothscroll": false,
+    "complete": "sbh"
   },
-  blacklist: [],
-});
+  "blacklist": [
+  ]
+}`;
+
+export const DefaultSetting: Settings =
+  Settings.fromJSON(JSON.parse(DefaultSettingJSONText));