diff --git a/ext/bg/css/pitch-accents-preview.css b/ext/bg/css/pitch-accents-preview.css
new file mode 100644
index 00000000..75a3a08b
--- /dev/null
+++ b/ext/bg/css/pitch-accents-preview.css
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2020 Yomichan Authors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ */
+
+html {
+ background-color: transparent;
+ color: #333333;
+}
+html,
+body {
+ margin: 0;
+ padding: 0;
+ border: 0;
+ overflow: hidden;
+ width: 100%;
+ height: 100%;
+ font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
+ font-size: 14px;
+ line-height: calc(20 / 14);
+}
+ul {
+ margin: 0;
+ padding: 0 0 0 1.5em;
+}
+li {
+ margin: 0.425em 0;
+}
+
+.content {
+ display: flex;
+ min-width: 100%;
+ min-height: 100%;
+ box-sizing: border-box;
+ padding: 0;
+ flex-flow: column nowrap;
+ align-items: center;
+ justify-content: center;
+}
+.content-body {
+ max-width: 100%;
+ width: 700px;
+ flex: 0 0 auto;
+}
diff --git a/ext/bg/js/settings/pitch-accents-preview-main.js b/ext/bg/js/settings/pitch-accents-preview-main.js
new file mode 100644
index 00000000..59e5b194
--- /dev/null
+++ b/ext/bg/js/settings/pitch-accents-preview-main.js
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2019-2020 Yomichan Authors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ */
+
+/* global
+ * DisplayGenerator
+ */
+
+(async () => {
+ try {
+ const displayGenerator = new DisplayGenerator({mediaLoader: null});
+ await displayGenerator.prepare();
+ displayGenerator.preparePitchAccents();
+ } catch (e) {
+ yomichan.logError(e);
+ }
+})();
diff --git a/ext/bg/pitch-accents-preview.html b/ext/bg/pitch-accents-preview.html
new file mode 100644
index 00000000..bc6d44ae
--- /dev/null
+++ b/ext/bg/pitch-accents-preview.html
@@ -0,0 +1,63 @@
+
+
+